From c94296720d191487aa903b7cb0e27e52e37344c8 Mon Sep 17 00:00:00 2001
From: Go MAEDA <maeda@farend.jp>
Date: Tue, 7 Feb 2023 03:53:27 +0000
Subject: [PATCH] Remove "Unknown user" notification on password request with
 non-existent email address (#6254).

Patch by Go MAEDA.


git-svn-id: https://svn.redmine.org/redmine/trunk@22100 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 app/controllers/account_controller.rb      | 4 +++-
 config/locales/ar.yml                      | 1 -
 config/locales/az.yml                      | 1 -
 config/locales/bg.yml                      | 1 -
 config/locales/bs.yml                      | 1 -
 config/locales/ca.yml                      | 1 -
 config/locales/cs.yml                      | 1 -
 config/locales/da.yml                      | 1 -
 config/locales/de.yml                      | 1 -
 config/locales/el.yml                      | 1 -
 config/locales/en-GB.yml                   | 1 -
 config/locales/en.yml                      | 1 -
 config/locales/es-PA.yml                   | 1 -
 config/locales/es.yml                      | 1 -
 config/locales/et.yml                      | 1 -
 config/locales/eu.yml                      | 1 -
 config/locales/fa.yml                      | 1 -
 config/locales/fi.yml                      | 1 -
 config/locales/fr.yml                      | 1 -
 config/locales/gl.yml                      | 1 -
 config/locales/he.yml                      | 1 -
 config/locales/hr.yml                      | 1 -
 config/locales/hu.yml                      | 1 -
 config/locales/id.yml                      | 1 -
 config/locales/it.yml                      | 1 -
 config/locales/ja.yml                      | 1 -
 config/locales/ko.yml                      | 1 -
 config/locales/lt.yml                      | 1 -
 config/locales/lv.yml                      | 1 -
 config/locales/mk.yml                      | 1 -
 config/locales/mn.yml                      | 1 -
 config/locales/nl.yml                      | 1 -
 config/locales/no.yml                      | 1 -
 config/locales/pl.yml                      | 1 -
 config/locales/pt-BR.yml                   | 1 -
 config/locales/pt.yml                      | 1 -
 config/locales/ro.yml                      | 1 -
 config/locales/ru.yml                      | 1 -
 config/locales/sk.yml                      | 1 -
 config/locales/sl.yml                      | 1 -
 config/locales/sq.yml                      | 1 -
 config/locales/sr-YU.yml                   | 1 -
 config/locales/sr.yml                      | 1 -
 config/locales/sv.yml                      | 1 -
 config/locales/th.yml                      | 1 -
 config/locales/tr.yml                      | 1 -
 config/locales/uk.yml                      | 1 -
 config/locales/vi.yml                      | 1 -
 config/locales/zh-TW.yml                   | 1 -
 config/locales/zh.yml                      | 1 -
 test/functional/account_controller_test.rb | 1 +
 51 files changed, 4 insertions(+), 50 deletions(-)

diff --git a/app/controllers/account_controller.rb b/app/controllers/account_controller.rb
index 27db70836..dfe229526 100644
--- a/app/controllers/account_controller.rb
+++ b/app/controllers/account_controller.rb
@@ -103,7 +103,9 @@ class AccountController < ApplicationController
         user = User.find_by_mail(email)
         # user not found
         unless user
-          flash.now[:error] = l(:notice_account_unknown_email)
+          # Don't show an error indicating a non-existent email address
+          # to prevent email harvesting
+          flash[:notice] = l(:notice_account_lost_email_sent)
           return
         end
         unless user.active?
diff --git a/config/locales/ar.yml b/config/locales/ar.yml
index 3ace6bbee..6f50f8f7b 100644
--- a/config/locales/ar.yml
+++ b/config/locales/ar.yml
@@ -156,7 +156,6 @@ ar:
   notice_account_password_updated: لقد تم تجديد كلمة المرور بنجاح.
   notice_account_wrong_password: كلمة المرور غير صحيحة
   notice_account_register_done: لقد تم انشاء حسابك بنجاح، الرجاء تأكيد الطلب من البريد الالكتروني
-  notice_account_unknown_email: مستخدم غير معروف.
   notice_can_t_change_password: هذا الحساب يستخدم جهاز خارجي غير مصرح به لا يمكن تغير كلمة المرور
   notice_account_lost_email_sent: لقد تم ارسال رسالة على بريدك بالتعليمات اللازمة لتغير كلمة المرور
   notice_account_activated: لقد تم تفعيل حسابك، يمكنك الدخول الان
diff --git a/config/locales/az.yml b/config/locales/az.yml
index ad429c5f6..99f1f1863 100644
--- a/config/locales/az.yml
+++ b/config/locales/az.yml
@@ -735,7 +735,6 @@ az:
   notice_account_password_updated: Parol müvəffəqiyyətlə yeniləndi.
   notice_account_pending: "Sizin uçot qeydiniz yaradıldı və inzibatçının təsdiqini gözləyir."
   notice_account_register_done: Uçot qeydi müvəffəqiyyətlə yaradıldı. Sizin uçot qeydinizin aktivləşdirilməsi üçün elektron poçtunuza göndərilən linkə keçin.
-  notice_account_unknown_email: Naməlum istifadəçi.
   notice_account_updated: Uçot qeydi müvəffəqiyyətlə yeniləndi.
   notice_account_wrong_password: Parol düzgün deyildir
   notice_can_t_change_password: Bu uçot qeydi üçün xarici autentifikasiya mənbəyi istifadə olunur. Parolu dəyişmək mümkün deyildir.
diff --git a/config/locales/bg.yml b/config/locales/bg.yml
index 666705181..ddc5689d9 100644
--- a/config/locales/bg.yml
+++ b/config/locales/bg.yml
@@ -159,7 +159,6 @@ bg:
   notice_account_wrong_password: Грешна парола
   notice_account_register_done: Профилът е създаден успешно. E-mail, съдържащ инструкции за активиране на профила
     е изпратен на %{email}.
-  notice_account_unknown_email: Непознат e-mail.
   notice_account_not_activated_yet: Вие не сте активирали вашия профил все още. Ако искате да
     получите нов e-mail за активиране, моля <a href="%{url}">натиснете тази връзка</a>.
   notice_account_locked: Вашият профил е блокиран.
diff --git a/config/locales/bs.yml b/config/locales/bs.yml
index f0687866c..db19c4c47 100644
--- a/config/locales/bs.yml
+++ b/config/locales/bs.yml
@@ -169,7 +169,6 @@ bs:
   notice_account_password_updated: Lozinka je uspješno promjenjena.
   notice_account_pending: "Vaš nalog je kreiran i čeka odobrenje administratora."
   notice_account_register_done: Nalog je uspješno kreiran. Da bi ste aktivirali vaš nalog kliknite na link koji vam je poslat.
-  notice_account_unknown_email: Nepoznati korisnik.
   notice_account_updated: Nalog je uspješno promjenen.
   notice_account_wrong_password: Pogrešna lozinka
   notice_can_t_change_password: Ovaj nalog koristi eksterni izvor prijavljivanja. Ne mogu da promjenim Å¡ifru.
diff --git a/config/locales/ca.yml b/config/locales/ca.yml
index 8e6908f9e..d58c0b22a 100644
--- a/config/locales/ca.yml
+++ b/config/locales/ca.yml
@@ -161,7 +161,6 @@ ca:
   notice_account_password_updated: "La contrasenya s'ha modificat correctament."
   notice_account_wrong_password: "Contrasenya incorrecta"
   notice_account_register_done: "El compte s'ha creat correctament. Per a activar el compte, feu clic en l'enllaç que us han enviat per correu electrònic."
-  notice_account_unknown_email: "Usuari desconegut."
   notice_can_t_change_password: "Aquest compte utilitza una font d'autenticació externa. No és possible canviar la contrasenya."
   notice_account_lost_email_sent: "S'ha enviat un correu electrònic amb instruccions per a seleccionar una contrasenya nova."
   notice_account_activated: "El compte s'ha activat correctament. Ara ja podeu entrar."
diff --git a/config/locales/cs.yml b/config/locales/cs.yml
index 0595c2d05..91d62c7b2 100644
--- a/config/locales/cs.yml
+++ b/config/locales/cs.yml
@@ -161,7 +161,6 @@ cs:
   notice_account_password_updated: Heslo bylo úspěšně změněno.
   notice_account_wrong_password: Chybné heslo
   notice_account_register_done: Účet byl úspěšně vytvořen. Pro aktivaci účtu klikněte na odkaz v emailu, který vám byl zaslán.
-  notice_account_unknown_email: Neznámý uživatel.
   notice_can_t_change_password: Tento účet používá externí autentifikaci. Zde heslo změnit nemůžete.
   notice_account_lost_email_sent: Byl vám zaslán email s intrukcemi jak si nastavíte nové heslo.
   notice_account_activated: Váš účet byl aktivován. Nyní se můžete přihlásit.
diff --git a/config/locales/da.yml b/config/locales/da.yml
index eef8b2b71..52a787d6d 100644
--- a/config/locales/da.yml
+++ b/config/locales/da.yml
@@ -174,7 +174,6 @@ da:
   notice_account_password_updated: Kodeordet er opdateret.
   notice_account_wrong_password: Forkert kodeord
   notice_account_register_done: Kontoen er oprettet. For at aktivere kontoen skal du klikke på linket i den tilsendte email.
-  notice_account_unknown_email: Ukendt bruger.
   notice_can_t_change_password: Denne konto benytter en ekstern sikkerhedsgodkendelse. Det er ikke muligt at skifte kodeord.
   notice_account_lost_email_sent: En email med instruktioner til at vælge et nyt kodeord er afsendt til dig.
   notice_account_activated: Din konto er aktiveret. Du kan nu logge ind.
diff --git a/config/locales/de.yml b/config/locales/de.yml
index 9ac76f852..b1094a18f 100644
--- a/config/locales/de.yml
+++ b/config/locales/de.yml
@@ -875,7 +875,6 @@ de:
   notice_account_password_updated: Passwort wurde erfolgreich aktualisiert.
   notice_account_pending: "Ihr Konto wurde erstellt und wartet jetzt auf die Genehmigung des Administrators."
   notice_account_register_done: Konto wurde erfolgreich angelegt. Eine E-Mail mit Hinweisen zur Kontoaktivierung wurde an %{email} gesendet.
-  notice_account_unknown_email: Unbekannter Benutzer.
   notice_account_updated: Konto wurde erfolgreich aktualisiert.
   notice_account_wrong_password: Falsches Passwort.
   notice_api_access_key_reseted: Ihr API-Zugriffsschlüssel wurde zurückgesetzt.
diff --git a/config/locales/el.yml b/config/locales/el.yml
index 98287b356..559df9b28 100644
--- a/config/locales/el.yml
+++ b/config/locales/el.yml
@@ -158,7 +158,6 @@ el:
   notice_account_password_updated: Ο κωδικός πρόσβασης ενημερώθηκε επιτυχώς.
   notice_account_wrong_password: Λάθος κωδικός πρόσβασης
   notice_account_register_done: Ο λογαριασμός δημιουργήθηκε επιτυχώς. Για να ενεργοποιήσετε το λογαριασμό σας, πατήστε το σύνδεσμο που σας έχει αποσταλεί με email.
-  notice_account_unknown_email: Άγνωστος χρήστης.
   notice_can_t_change_password: Αυτός ο λογαριασμός χρησιμοποιεί εξωτερική πηγή πιστοποίησης. Δεν είναι δυνατόν να αλλάξετε τον κωδικό πρόσβασης.
   notice_account_lost_email_sent: Σας έχει αποσταλεί email με οδηγίες για την επιλογή νέου κωδικού πρόσβασης.
   notice_account_activated: Ο λογαριασμός σας έχει ενεργοποιηθεί. Τώρα μπορείτε να συνδεθείτε.
diff --git a/config/locales/en-GB.yml b/config/locales/en-GB.yml
index 51cb7372d..cb55d2fe8 100644
--- a/config/locales/en-GB.yml
+++ b/config/locales/en-GB.yml
@@ -161,7 +161,6 @@ en-GB:
   notice_account_password_updated: Password was successfully updated.
   notice_account_wrong_password: Wrong password
   notice_account_register_done: Account was successfully created. An email containing the instructions to activate your account was sent to %{email}.
-  notice_account_unknown_email: Unknown user.
   notice_can_t_change_password: This account uses an external authentication source. Impossible to change the password.
   notice_account_lost_email_sent: An email with instructions to choose a new password has been sent to you.
   notice_account_activated: Your account has been activated. You can now log in.
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 64d09c8cf..8713f31df 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -157,7 +157,6 @@ en:
   notice_account_password_updated: Password was successfully updated.
   notice_account_wrong_password: Wrong password
   notice_account_register_done: Account was successfully created. An email containing the instructions to activate your account was sent to %{email}.
-  notice_account_unknown_email: Unknown user.
   notice_account_not_activated_yet: You haven't activated your account yet. If you want to receive a new activation email, please <a href="%{url}">click this link</a>.
   notice_account_locked: Your account is locked.
   notice_can_t_change_password: This account uses an external authentication source. Impossible to change the password.
diff --git a/config/locales/es-PA.yml b/config/locales/es-PA.yml
index 1deb6c2b6..40b5d77ca 100644
--- a/config/locales/es-PA.yml
+++ b/config/locales/es-PA.yml
@@ -665,7 +665,6 @@ es-PA:
   notice_account_password_updated: Contraseña modificada correctamente.
   notice_account_pending: "Su cuenta ha sido creada y está pendiende de la aprobación por parte del administrador."
   notice_account_register_done: Cuenta creada correctamente. Para activarla, haga clic sobre el enlace que le ha sido enviado por correo.
-  notice_account_unknown_email: Usuario desconocido.
   notice_account_updated: Cuenta actualizada correctamente.
   notice_account_wrong_password: Contraseña incorrecta.
   notice_can_t_change_password: Esta cuenta utiliza una fuente de autenticación externa. No es posible cambiar la contraseña.
diff --git a/config/locales/es.yml b/config/locales/es.yml
index 293595219..935072175 100644
--- a/config/locales/es.yml
+++ b/config/locales/es.yml
@@ -663,7 +663,6 @@ es:
   notice_account_password_updated: Contraseña modificada correctamente.
   notice_account_pending: "Su cuenta ha sido creada y está pendiende de la aprobación por parte del administrador."
   notice_account_register_done: Cuenta creada correctamente. Para activarla, haga clic sobre el enlace que le ha sido enviado por correo.
-  notice_account_unknown_email: Usuario desconocido.
   notice_account_updated: Cuenta actualizada correctamente.
   notice_account_wrong_password: Contraseña incorrecta.
   notice_can_t_change_password: Esta cuenta utiliza una fuente de autenticación externa. No es posible cambiar la contraseña.
diff --git a/config/locales/et.yml b/config/locales/et.yml
index 3e13840eb..d0e0c58cd 100644
--- a/config/locales/et.yml
+++ b/config/locales/et.yml
@@ -174,7 +174,6 @@ et:
   notice_account_password_updated: "Parooli uuendamine õnnestus."
   notice_account_wrong_password: "Vale parool"
   notice_account_register_done: "Konto loomine õnnestus. Konto aktiveerimiseks vajuta vastaval lingil Sulle saadetud e-kirjas."
-  notice_account_unknown_email: "Tundmatu kasutaja."
   notice_can_t_change_password: "See konto kasutab välist autentimisallikat. Siin ei saa selle konto parooli vahetada."
   notice_account_lost_email_sent: "Sulle saadeti e-kiri parooli vahetamise juhistega."
   notice_account_activated: "Su konto on aktiveeritud. Saad nüüd sisse logida."
diff --git a/config/locales/eu.yml b/config/locales/eu.yml
index c417a79cc..1310ec259 100644
--- a/config/locales/eu.yml
+++ b/config/locales/eu.yml
@@ -159,7 +159,6 @@ eu:
   notice_account_password_updated: Pasahitza ongi eguneratu da.
   notice_account_wrong_password: Pasahitz ezegokia.
   notice_account_register_done: Kontua ongi sortu da. Kontua gaitzeko klikatu epostan adierazi zaizun estekan.
-  notice_account_unknown_email: Erabiltzaile ezezaguna.
   notice_can_t_change_password: Kontu honek kanpoko autentikazio bat erabiltzen du. Ezinezkoa da pasahitza aldatzea.
   notice_account_lost_email_sent: Pasahitz berria aukeratzeko jarraibideak dituen eposta bat bidali zaizu.
   notice_account_activated: Zure kontua gaituta dago. Orain saioa has dezakezu
diff --git a/config/locales/fa.yml b/config/locales/fa.yml
index 26c2ac73b..e0f9b3b0e 100644
--- a/config/locales/fa.yml
+++ b/config/locales/fa.yml
@@ -160,7 +160,6 @@ fa:
   notice_account_password_updated: گذرواژه به‌روز شد
   notice_account_wrong_password: گذرواژه نادرست است
   notice_account_register_done: حساب با موفقیت ساخته شد. رایانامه‌ای حاوی دستورالعمل فعال‌سازی حساب شما به %{email} فرستاده شد.
-  notice_account_unknown_email: کاربر شناخته نشد.
   notice_account_not_activated_yet: شما هنوز حساب خود را فعال نکرده‌اید. اگر می‌خواهید یک رایانامه فعال‌سازی دیگر دریافت کنید، لطفاً <a href="%{url}">این جا کلید نمایید</a>.
   notice_account_locked: حساب شما قفل شده است.
   notice_can_t_change_password:  این حساب یک روش احراز هویت بیرونی را به کار گرفته است. گذرواژه را نمی‌توان تغییر داد.
diff --git a/config/locales/fi.yml b/config/locales/fi.yml
index d52f3b207..4df48f954 100644
--- a/config/locales/fi.yml
+++ b/config/locales/fi.yml
@@ -182,7 +182,6 @@ fi:
   notice_account_password_updated: Salasanan päivitys onnistui.
   notice_account_wrong_password: Väärä salasana
   notice_account_register_done: Tilin luonti onnistui. Aktivoidaksesi tilin seuraa linkkiä joka välitettiin sähköpostiisi.
-  notice_account_unknown_email: Tuntematon käyttäjä.
   notice_can_t_change_password: Tämä tili käyttää ulkoista tunnistautumisjärjestelmää. Salasanaa ei voi muuttaa.
   notice_account_lost_email_sent: Sinulle on lähetetty sähköposti jossa on ohje kuinka vaihdat salasanasi.
   notice_account_activated: Tilisi on nyt aktivoitu, voit kirjautua sisälle.
diff --git a/config/locales/fr.yml b/config/locales/fr.yml
index 5cba26700..e1e626081 100644
--- a/config/locales/fr.yml
+++ b/config/locales/fr.yml
@@ -177,7 +177,6 @@ fr:
   notice_account_password_updated: Mot de passe mis à jour avec succès.
   notice_account_wrong_password: Mot de passe incorrect
   notice_account_register_done: Un message contenant les instructions pour activer votre compte vous a été envoyé à l'adresse %{email}.
-  notice_account_unknown_email: Aucun compte ne correspond à cette adresse.
   notice_account_not_activated_yet: Vous n'avez pas encore activé votre compte. Si vous voulez recevoir un nouveau message d'activation, veuillez <a href="%{url}">cliquer sur ce lien</a>.
   notice_account_locked: Votre compte est verrouillé.
   notice_can_t_change_password: Ce compte utilise une authentification externe. Impossible de changer le mot de passe.
diff --git a/config/locales/gl.yml b/config/locales/gl.yml
index faf765c9d..183160a3b 100644
--- a/config/locales/gl.yml
+++ b/config/locales/gl.yml
@@ -638,7 +638,6 @@ gl:
   notice_account_password_updated: Contrasinal modificado correctamente.
   notice_account_pending: "A súa conta creouse e está pendente da aprobación por parte do administrador."
   notice_account_register_done: "A conta creouse correctamente. Recibirá unha ligazón na súa conta de correo electrónico, sígaa para activar a nova conta."
-  notice_account_unknown_email: Usuario descoñecido.
   notice_account_updated: Conta actualizada correctamente.
   notice_account_wrong_password: Contrasinal incorrecto.
   notice_can_t_change_password: Esta conta utiliza unha fonte de autenticación externa. Non é posible cambiar o contrasinal.
diff --git a/config/locales/he.yml b/config/locales/he.yml
index d77af432e..643083eb2 100644
--- a/config/locales/he.yml
+++ b/config/locales/he.yml
@@ -162,7 +162,6 @@ he:
   notice_account_password_updated: הסיסמה עודכנה בהצלחה!
   notice_account_wrong_password: סיסמה שגויה
   notice_account_register_done: החשבון נוצר בהצלחה. להפעלת החשבון לחץ על הקישור שנשלח לדוא"ל שלך.
-  notice_account_unknown_email: משתמש לא מוכר.
   notice_can_t_change_password: החשבון הזה משתמש במקור הזדהות חיצוני. שינוי סיסמה הינו בילתי אפשר
   notice_account_lost_email_sent: דוא"ל עם הוראות לבחירת סיסמה חדשה נשלח אליך.
   notice_account_activated: חשבונך הופעל. אתה יכול להתחבר כעת.
diff --git a/config/locales/hr.yml b/config/locales/hr.yml
index 264fa7faa..87e7eeea7 100644
--- a/config/locales/hr.yml
+++ b/config/locales/hr.yml
@@ -152,7 +152,6 @@ hr:
   notice_account_password_updated: Zaporka je uspješno promijenjena.
   notice_account_wrong_password: Pogrešna zaporka
   notice_account_register_done: Racun je uspješno napravljen. Da biste aktivirali svoj račun, kliknite na link koji vam je poslan na e-mail.
-  notice_account_unknown_email: Nepoznati korisnik.
   notice_can_t_change_password: Ovaj račun koristi eksterni izvor prijavljivanja. Nemoguće je promijeniti zaporku.
   notice_account_lost_email_sent: E-mail s uputama kako bi odabrali novu zaporku je poslan na na vašu e-mail adresu.
   notice_account_activated: Vaš racun je aktiviran. Možete se prijaviti.
diff --git a/config/locales/hu.yml b/config/locales/hu.yml
index 4683d7dbb..b39fde3b7 100644
--- a/config/locales/hu.yml
+++ b/config/locales/hu.yml
@@ -178,7 +178,6 @@
   notice_account_password_updated: A jelszó módosítása megtörtént.
   notice_account_wrong_password: Hibás jelszó
   notice_account_register_done: A fiók sikeresen létrehozva. Aktiválásához kattints az e-mailben kapott linkre
-  notice_account_unknown_email: Ismeretlen felhasználó.
   notice_can_t_change_password: A fiók külső azonosítási forrást használ. A jelszó megváltoztatása nem lehetséges.
   notice_account_lost_email_sent: Egy e-mail üzenetben postáztunk Önnek egy leírást az új jelszó beállításáról.
   notice_account_activated: Fiókját aktiváltuk. Most már be tud jelentkezni a rendszerbe.
diff --git a/config/locales/id.yml b/config/locales/id.yml
index ef18f79a5..4959b719d 100644
--- a/config/locales/id.yml
+++ b/config/locales/id.yml
@@ -157,7 +157,6 @@ id:
   notice_account_password_updated: Kata sandi sudah berhasil diperbarui.
   notice_account_wrong_password: Kata sandi salah.
   notice_account_register_done: Akun sudah berhasil dibuat. Untuk mengaktifkan akun anda, silakan klik tautan (link) yang dikirim kepada anda melalui e-mail.
-  notice_account_unknown_email: Pengguna tidak dikenal.
   notice_can_t_change_password: Akun ini menggunakan sumber otentikasi eksternal yang tidak dikenal. Kata sandi tidak bisa diubah.
   notice_account_lost_email_sent: Email berisi instruksi untuk memilih kata sandi baru sudah dikirimkan kepada anda.
   notice_account_activated: Akun anda sudah diaktifasi. Sekarang anda bisa login.
diff --git a/config/locales/it.yml b/config/locales/it.yml
index a274ff8ca..023b1d4e1 100644
--- a/config/locales/it.yml
+++ b/config/locales/it.yml
@@ -161,7 +161,6 @@ it:
   notice_account_invalid_credentials: Nome utente o password non validi.
   notice_account_password_updated: La password è stata aggiornata.
   notice_account_wrong_password: Password errata
-  notice_account_unknown_email: Utente sconosciuto.
   notice_can_t_change_password: Questo utente utilizza un metodo di autenticazione esterno. Impossibile cambiare la password.
   notice_account_lost_email_sent: Ti è stata spedita una email con le istruzioni per cambiare la password.
   notice_account_activated: Il tuo account è stato attivato. Ora puoi effettuare l'accesso.
diff --git a/config/locales/ja.yml b/config/locales/ja.yml
index 9f0802f1a..7ca4c888c 100644
--- a/config/locales/ja.yml
+++ b/config/locales/ja.yml
@@ -178,7 +178,6 @@ ja:
   notice_account_password_updated: パスワードが更新されました。
   notice_account_wrong_password: パスワードが違います
   notice_account_register_done: アカウントを作成しました。アカウントを有効にするための手順を記載したメールを %{email} 宛に送信しました。
-  notice_account_unknown_email: ユーザーが存在しません。
   notice_can_t_change_password: このアカウントでは外部認証を使っています。パスワードは変更できません。
   notice_account_lost_email_sent: パスワードを再設定する手順を記載したメールを送信しました。
   notice_account_activated: アカウントが有効になりました。ログインできます。
diff --git a/config/locales/ko.yml b/config/locales/ko.yml
index 83e853ac2..fc553fb8f 100644
--- a/config/locales/ko.yml
+++ b/config/locales/ko.yml
@@ -204,7 +204,6 @@ ko:
   notice_account_password_updated: 비밀번호가 잘 변경되었습니다.
   notice_account_wrong_password: 잘못된 비밀번호
   notice_account_register_done: 계정이 잘 만들어졌습니다. 계정을 활성화하시려면 받은 메일의 링크를 클릭해주세요.
-  notice_account_unknown_email: 알려지지 않은 사용자.
   notice_can_t_change_password: 이 계정은 외부 인증을 이용합니다. 비밀번호를 변경할 수 없습니다.
   notice_account_lost_email_sent: 새로운 비밀번호를 위한 메일이 발송되었습니다.
   notice_account_activated: 계정이 활성화되었습니다. 이제 로그인 하실수 있습니다.
diff --git a/config/locales/lt.yml b/config/locales/lt.yml
index 9bdbaa58b..efe6c0fda 100644
--- a/config/locales/lt.yml
+++ b/config/locales/lt.yml
@@ -162,7 +162,6 @@ lt:
   notice_account_password_updated: Slaptažodis buvo sėkmingai atnaujintas.
   notice_account_wrong_password: Neteisingas slaptažodis
   notice_account_register_done: Paskyra buvo sėkmingai sukurta. Norint aktyvinti savo paskyrą, paspauskite nuorodą, kuri jums buvo siųsta į %{email}.
-  notice_account_unknown_email: Nežinomas vartotojas.
   notice_account_not_activated_yet: Dar nesatę aktyvavę savo paskyros. Jei norite gauti naują aktyvavimo laišką, paspauskite <a href="%{url}">šią nuorodą</a>
   notice_account_locked: Jūsų paskyra užblokuota.
   notice_can_t_change_password: Šis pranešimas naudoja išorinį autentiškumo nustatymo šaltinį. Neįmanoma pakeisti slaptažodžio.
diff --git a/config/locales/lv.yml b/config/locales/lv.yml
index 15dc712dc..864b05fea 100644
--- a/config/locales/lv.yml
+++ b/config/locales/lv.yml
@@ -151,7 +151,6 @@ lv:
   notice_account_password_updated: Parole tika veiksmīgi atjaunota.
   notice_account_wrong_password: Nepareiza parole
   notice_account_register_done: Konts veiksmīgi izveidots. Lai aktivizētu kontu, spiediet uz saites, kas Jums tika nosūtīta.
-  notice_account_unknown_email: Nezināms lietotājs
   notice_can_t_change_password: Šis konts izmanto ārēju pilnvarošanas avotu. Nav iespējams nomainīt paroli.
   notice_account_lost_email_sent: Jums tika nosūtīts e-pasts ar instrukcijām, kā izveidot jaunu paroli.
   notice_account_activated: Jūsu konts ir aktivizēts. Varat pieslēgties sistēmai.
diff --git a/config/locales/mk.yml b/config/locales/mk.yml
index f0de09957..a54059f78 100644
--- a/config/locales/mk.yml
+++ b/config/locales/mk.yml
@@ -158,7 +158,6 @@ mk:
   notice_account_password_updated: Лозинката е успешно ажурирана.
   notice_account_wrong_password: Погрешна лозинка
   notice_account_register_done: Профилот е успешно креиран. За активација, клкнете на врската што ви е пратена по е-пошта.
-  notice_account_unknown_email: Непознат корисник.
   notice_can_t_change_password: This account uses an external authentication source. Impossible to change the password.
   notice_account_lost_email_sent: An email with instructions to choose a new password has been sent to you.
   notice_account_activated: Your account has been activated. You can now log in.
diff --git a/config/locales/mn.yml b/config/locales/mn.yml
index 5a3de50c8..29c1b39a5 100644
--- a/config/locales/mn.yml
+++ b/config/locales/mn.yml
@@ -157,7 +157,6 @@ mn:
   notice_account_password_updated: Нууц үгийг амжилттай өөрчиллөө.
   notice_account_wrong_password: Буруу нууц үг
   notice_account_register_done: Шинэ хэрэглэгч амжилттай үүсгэлээ. Идэвхжүүлэхийн тулд, бидний тань луу илгээсэн мэйл дотор байгаа холбоос дээр дараарай.
-  notice_account_unknown_email: Үл мэдэгдэх хэрэглэгч.
   notice_can_t_change_password: Энэ эрх гадаад нэвтрэлтэд ашигладаг учраас нууц үгийг өөрчлөх боломжгүй.
   notice_account_lost_email_sent: Бид таньд мэйлээр нууц үгээ өөрчлөх зааврыг илгээсэн байгаа.
   notice_account_activated: Таны данс идэвхжлээ. Одоо нэвтэрч орж болно.
diff --git a/config/locales/nl.yml b/config/locales/nl.yml
index db4027327..7870f4c4f 100644
--- a/config/locales/nl.yml
+++ b/config/locales/nl.yml
@@ -606,7 +606,6 @@ nl:
   notice_account_lost_email_sent: Er is een e-mail naar u verzonden met instructies over de keuze van een nieuw wachtwoord.
   notice_account_password_updated: Wachtwoord is met succes gewijzigd
   notice_account_pending: Uw account is aangemaakt, maar wacht nog op goedkeuring van een beheerder.
-  notice_account_unknown_email: Onbekende gebruiker.
   notice_account_updated: Account is succesvol gewijzigd
   notice_account_wrong_password: Ongeldig wachtwoord
   notice_can_t_change_password: Deze account gebruikt een externe authenticatiebron. Het is niet mogelijk om het wachtwoord te veranderen.
diff --git a/config/locales/no.yml b/config/locales/no.yml
index 77d40281d..a61651d57 100644
--- a/config/locales/no.yml
+++ b/config/locales/no.yml
@@ -147,7 +147,6 @@
   notice_account_password_updated: Passordet er oppdatert.
   notice_account_wrong_password: Feil passord
   notice_account_register_done: Kontoen er opprettet. Klikk lenken som er sendt deg i e-post for å aktivere kontoen.
-  notice_account_unknown_email: Ukjent bruker.
   notice_can_t_change_password: Denne kontoen bruker ekstern godkjenning. Passordet kan ikke endres.
   notice_account_lost_email_sent: En e-post med instruksjoner for å velge et nytt passord er sendt til deg.
   notice_account_activated: Din konto er aktivert. Du kan nå logge inn.
diff --git a/config/locales/pl.yml b/config/locales/pl.yml
index 1875bf1e5..10979f358 100644
--- a/config/locales/pl.yml
+++ b/config/locales/pl.yml
@@ -169,7 +169,6 @@ pl:
   notice_account_password_updated: "Hasło zostało pomyślnie zmienione."
   notice_account_wrong_password: "Nieprawidłowe hasło"
   notice_account_register_done: "Konto zostało pomyślnie utworzone. E-mail zawierający instrukcje aktywacji konta został wysłany na adres %{email}."
-  notice_account_unknown_email: "Nieznany użytkownik."
   notice_account_not_activated_yet: 'Jeszcze nie aktywowałeś swojego konta. Jeśli chcesz otrzymać nowy e-mail aktywacyjny, <a href="%{url}">kliknij tutaj</a>.'
   notice_account_locked: "Twoje konto jest zablokowane."
   notice_can_t_change_password: "To konto ma zewnętrzne źródło uwierzytelniania. Nie możesz zmienić hasła."
diff --git a/config/locales/pt-BR.yml b/config/locales/pt-BR.yml
index 67d485dac..934208874 100644
--- a/config/locales/pt-BR.yml
+++ b/config/locales/pt-BR.yml
@@ -177,7 +177,6 @@ pt-BR:
   notice_account_password_updated: Senha alterada com sucesso.
   notice_account_wrong_password: Senha inválida.
   notice_account_register_done: Conta criada com sucesso. Para ativar sua conta, clique no link que lhe foi enviado por e-mail.
-  notice_account_unknown_email: Usuário desconhecido.
   notice_can_t_change_password: Esta conta utiliza autenticação externa. Não é possível alterar a senha.
   notice_account_lost_email_sent: Um e-mail com instruções para escolher uma nova senha foi enviado para você.
   notice_account_activated: Sua conta foi ativada. Você pode acessá-la agora.
diff --git a/config/locales/pt.yml b/config/locales/pt.yml
index 986e0fd9c..5c9526da4 100644
--- a/config/locales/pt.yml
+++ b/config/locales/pt.yml
@@ -165,7 +165,6 @@ pt:
   notice_account_invalid_credentials: Utilizador ou palavra-chave inválidos.
   notice_account_password_updated: A palavra-chave foi alterada com sucesso.
   notice_account_wrong_password: Palavra-chave errada.
-  notice_account_unknown_email: Utilizador desconhecido.
   notice_can_t_change_password: Esta conta utiliza uma fonte de autenticação externa. Não é possível alterar a palavra-chave.
   notice_account_lost_email_sent: Foi-lhe enviado um e-mail com as instruções para escolher uma nova palavra-chave.
   notice_account_activated: A sua conta foi ativada. É agora possível autenticar-se.
diff --git a/config/locales/ro.yml b/config/locales/ro.yml
index 9d032371c..3b55f08b3 100644
--- a/config/locales/ro.yml
+++ b/config/locales/ro.yml
@@ -152,7 +152,6 @@ ro:
   notice_account_password_updated: Parolă actualizată.
   notice_account_wrong_password: Parolă greșită
   notice_account_register_done: Contul a fost creat. Pentru activare, urmați legătura trimisă prin email.
-  notice_account_unknown_email: Utilizator necunoscut.
   notice_can_t_change_password: Acest cont folosește o sursă externă de autentificare. Nu se poate schimba parola.
   notice_account_lost_email_sent: S-a trimis un email cu instrucțiuni de schimbare a parolei.
   notice_account_activated: Contul a fost activat. Vă puteți autentifica acum.
diff --git a/config/locales/ru.yml b/config/locales/ru.yml
index 8784f2532..ae9c41046 100644
--- a/config/locales/ru.yml
+++ b/config/locales/ru.yml
@@ -745,7 +745,6 @@ ru:
   notice_account_password_updated: Пароль успешно обновлён.
   notice_account_pending: "Ваша учётная запись создана и ожидает подтверждения администратора."
   notice_account_register_done: Учётная запись успешно создана. Для активации Вашей учётной записи пройдите по ссылке, которая выслана Вам по электронной почте.
-  notice_account_unknown_email: Неизвестный пользователь.
   notice_account_updated: Учётная запись успешно обновлена.
   notice_account_wrong_password: Неверный пароль
   notice_can_t_change_password: Для данной учётной записи используется источник внешней аутентификации. Невозможно изменить пароль.
diff --git a/config/locales/sk.yml b/config/locales/sk.yml
index 5162b1c0b..78c56365c 100644
--- a/config/locales/sk.yml
+++ b/config/locales/sk.yml
@@ -156,7 +156,6 @@ sk:
   notice_account_password_updated: Heslo bolo úspešne zmenené.
   notice_account_wrong_password: Nesprávne heslo
   notice_account_register_done: Účet bol úspešne vytvorený. Účet aktivujete kliknutím na odkaz v emaile, ktorý vám bol zaslaný na %{email}.
-  notice_account_unknown_email: Neznámy používateľ.
   notice_can_t_change_password: Tento účet používa externú autentifikáciu. Nemôžete zmeniť heslo.
   notice_account_lost_email_sent: Bol vám zaslaný email s inštrukciami, ako si nastaviť nové heslo.
   notice_account_activated: Váš účet bol aktivovaný. Teraz se môžete prihlásiť.
diff --git a/config/locales/sl.yml b/config/locales/sl.yml
index 8f8af74ee..fcc54c28e 100644
--- a/config/locales/sl.yml
+++ b/config/locales/sl.yml
@@ -156,7 +156,6 @@ sl:
   notice_account_password_updated: Geslo je bilo uspešno posodobljeno.
   notice_account_wrong_password: Napačno geslo
   notice_account_register_done: Račun je bil uspešno ustvarjen. Za aktivacijo potrdite povezavo, ki vam je bila poslana v e-nabiralnik.
-  notice_account_unknown_email: Neznan uporabnik.
   notice_can_t_change_password: Ta račun za overovljanje uporablja zunanji. Gesla ni mogoče spremeniti.
   notice_account_lost_email_sent: Poslano vam je bilo e-pismo z navodili za izbiro novega gesla.
   notice_account_activated: Vaš račun je bil aktiviran. Sedaj se lahko prijavite.
diff --git a/config/locales/sq.yml b/config/locales/sq.yml
index e0e32064a..ec06e9c69 100644
--- a/config/locales/sq.yml
+++ b/config/locales/sq.yml
@@ -157,7 +157,6 @@ sq:
   notice_account_password_updated: Fjalëkalimi u përditësua me sukses.
   notice_account_wrong_password: Fjalëkalim i gabuar
   notice_account_register_done: Llogaria u krijua me sukses. Te %{email} u dërgua një email që përmban udhëzimet si të aktivizohet llogaria juaj.
-  notice_account_unknown_email: Përdorues i panjohur.
   notice_account_not_activated_yet: S’e keni aktivizuar ende llogarinë tuaj. Nëse doni të merrni një email të ri aktivizimi, ju lutemi, <a href="%{url}">klikoni mbi këtë lidhje</a>.
   notice_account_locked: Llogaria juaj është e kyçur.
   notice_can_t_change_password: Kjo llogari përdor një burim të jashtëm mirëfilltësimesh. E pamundur të ndryshohet fjalëkalimi.
diff --git a/config/locales/sr-YU.yml b/config/locales/sr-YU.yml
index b13ff7c19..61bb677f3 100644
--- a/config/locales/sr-YU.yml
+++ b/config/locales/sr-YU.yml
@@ -160,7 +160,6 @@ sr-YU:
   notice_account_password_updated: Lozinka je uspešno ažurirana.
   notice_account_wrong_password: Pogrešna lozinka
   notice_account_register_done: Korisnički nalog je uspešno kreiran. Kliknite na link koji ste dobili u e-poruci za aktivaciju.
-  notice_account_unknown_email: Nepoznat korisnik.
   notice_can_t_change_password: Ovaj korisnički nalog za potvrdu identiteta koristi spoljni izvor. Nemoguće je promeniti lozinku.
   notice_account_lost_email_sent: Poslata vam je e-poruka sa uputstvom za izbor nove lozinke
   notice_account_activated: Vaš korisnički nalog je aktiviran. Sada se možete prijaviti.
diff --git a/config/locales/sr.yml b/config/locales/sr.yml
index 2983bd4bd..0b6b8b319 100644
--- a/config/locales/sr.yml
+++ b/config/locales/sr.yml
@@ -158,7 +158,6 @@ sr:
   notice_account_password_updated: Лозинка је успешно ажурирана.
   notice_account_wrong_password: Погрешна лозинка
   notice_account_register_done: Кориснички налог је успешно креиран. Кликните на линк који сте добили у е-поруци за активацију.
-  notice_account_unknown_email: Непознат корисник.
   notice_can_t_change_password: Овај кориснички налог за потврду идентитета користи спољни извор. Немогуће је променити лозинку.
   notice_account_lost_email_sent: Послата вам је е-порука са упутством за избор нове лозинке
   notice_account_activated: Ваш кориснички налог је активиран. Сада се можете пријавити.
diff --git a/config/locales/sv.yml b/config/locales/sv.yml
index 88577df06..16473e7a3 100644
--- a/config/locales/sv.yml
+++ b/config/locales/sv.yml
@@ -199,7 +199,6 @@ sv:
   notice_account_password_updated: Lösenordet har uppdaterats
   notice_account_wrong_password: Fel lösenord
   notice_account_register_done: Kontot har skapats. För att aktivera kontot, klicka på länken i mailet som skickades till dig.
-  notice_account_unknown_email: Okänd användare.
   notice_can_t_change_password: Detta konto använder en extern autentiseringskälla. Det går inte att byta lösenord.
   notice_account_lost_email_sent: Ett mail med instruktioner om hur man väljer ett nytt lösenord har skickats till dig.
   notice_account_activated: Ditt konto har blivit aktiverat. Du kan nu logga in.
diff --git a/config/locales/th.yml b/config/locales/th.yml
index 4983a4b67..9844efe63 100644
--- a/config/locales/th.yml
+++ b/config/locales/th.yml
@@ -155,7 +155,6 @@ th:
   notice_account_password_updated: รหัสได้ถูกปรับปรุงแล้ว.
   notice_account_wrong_password: รหัสผ่านไม่ถูกต้อง
   notice_account_register_done: บัญชีถูกสร้างแล้ว. กรุณาเช็คเมล์ แล้วคลิ๊กที่ลิงค์ในอีเมล์เพื่อเปิดใช้บัญชี
-  notice_account_unknown_email: ไม่มีผู้ใช้ที่ใช้อีเมล์นี้.
   notice_can_t_change_password: บัญชีนี้ใช้การยืนยันตัวตนจากแหล่งภายนอก. ไม่สามารถปลี่ยนรหัสผ่านได้.
   notice_account_lost_email_sent: เราได้ส่งอีเมล์พร้อมวิธีการสร้างรหัีสผ่านใหม่ให้คุณแล้ว กรุณาเช็คเมล์.
   notice_account_activated: บัญชีของคุณได้เปิดใช้แล้ว. ตอนนี้คุณสามารถเข้าสู่ระบบได้แล้ว.
diff --git a/config/locales/tr.yml b/config/locales/tr.yml
index deb32d50b..ecff540ab 100644
--- a/config/locales/tr.yml
+++ b/config/locales/tr.yml
@@ -171,7 +171,6 @@ tr:
   notice_account_password_updated: Parola başarıyla güncellendi.
   notice_account_wrong_password: Yanlış parola
   notice_account_register_done: Hesap başarıyla oluşturuldu. Hesabınızı etkinleştirmek için, size gönderilen e-postadaki bağlantıya tıklayın.
-  notice_account_unknown_email: Tanınmayan kullanıcı.
   notice_can_t_change_password: Bu hesap harici bir denetim kaynağı kullanıyor. Parolayı değiştirmek mümkün değil.
   notice_account_lost_email_sent: Yeni parola seçme talimatlarını içeren e-postanız gönderildi.
   notice_account_activated: Hesabınız etkinleştirildi. Şimdi giriş yapabilirsiniz.
diff --git a/config/locales/uk.yml b/config/locales/uk.yml
index cbee81186..625154ed5 100644
--- a/config/locales/uk.yml
+++ b/config/locales/uk.yml
@@ -171,7 +171,6 @@ uk:
   notice_account_password_updated: Пароль успішно оновлений.
   notice_account_wrong_password: Невірний пароль.
   notice_account_register_done: Обліковий запис успішно створений. Для активації Вашого облікового запису зайдіть по посиланню, яке відіслане вам електронною поштою.
-  notice_account_unknown_email: Невідомий користувач.
   notice_can_t_change_password: Для даного облікового запису використовується джерело зовнішньої аутентифікації. Неможливо змінити пароль.
   notice_account_lost_email_sent: Вам відправлений лист з інструкціями по вибору нового пароля.
   notice_account_activated: Ваш обліковий запис активований. Ви можете увійти.
diff --git a/config/locales/vi.yml b/config/locales/vi.yml
index 94e236f2d..2aa5eedec 100644
--- a/config/locales/vi.yml
+++ b/config/locales/vi.yml
@@ -210,7 +210,6 @@ vi:
   notice_account_password_updated: Cập nhật mật mã thành công.
   notice_account_wrong_password: Sai mật mã
   notice_account_register_done: Tài khoản được tạo thành công. Để kích hoạt vui lòng làm theo hướng dẫn trong email gửi đến bạn.
-  notice_account_unknown_email: Không rõ tài khoản.
   notice_can_t_change_password: Tài khoản được chứng thực từ nguồn bên ngoài. Không thể đổi mật mã cho loại chứng thực này.
   notice_account_lost_email_sent: Thông tin để đổi mật mã mới đã gửi đến bạn qua email.
   notice_account_activated: Tài khoản vừa được kích hoạt. Bây giờ bạn có thể đăng nhập.
diff --git a/config/locales/zh-TW.yml b/config/locales/zh-TW.yml
index b95ffc278..d87066cb7 100644
--- a/config/locales/zh-TW.yml
+++ b/config/locales/zh-TW.yml
@@ -241,7 +241,6 @@
   notice_account_password_updated: 帳戶新密碼已儲存
   notice_account_wrong_password: 密碼不正確
   notice_account_register_done: 帳號已建立成功。欲啟用您的帳號，請點擊系統確認信函中的啟用連結。
-  notice_account_unknown_email: 未知的使用者
   notice_account_not_activated_yet: 您尚未完成啟用您的帳號。若您要索取新的帳號啟用 Email ，請 <a href="%{url}">點擊此連結</a> 。
   notice_account_locked: 您的帳號已被鎖定。
   notice_can_t_change_password: 這個帳號使用外部驗證方式，無法變更其密碼。
diff --git a/config/locales/zh.yml b/config/locales/zh.yml
index e0b98a2e3..468f09043 100644
--- a/config/locales/zh.yml
+++ b/config/locales/zh.yml
@@ -161,7 +161,6 @@ zh:
   notice_account_password_updated: 密码更新成功
   notice_account_wrong_password: 密码错误
   notice_account_register_done: 帐号创建成功，请使用注册确认邮件中的链接来激活您的帐号。
-  notice_account_unknown_email: 未知用户
   notice_can_t_change_password: 该帐号使用了外部认证，因此无法更改密码。
   notice_account_lost_email_sent: 系统已将引导您设置新密码的邮件发送给您。
   notice_account_activated: 您的帐号已被激活。您现在可以登录了。
diff --git a/test/functional/account_controller_test.rb b/test/functional/account_controller_test.rb
index f539f4619..034094e7b 100644
--- a/test/functional/account_controller_test.rb
+++ b/test/functional/account_controller_test.rb
@@ -476,6 +476,7 @@ class AccountControllerTest < Redmine::ControllerTest
         }
       )
       assert_response :success
+      assert_equal I18n.t(:notice_account_lost_email_sent), flash[:notice]
     end
   end
 
-- 
2.39.5