[Minor] Exclude User-Agent: Mozilla Thunderbird from XM_UA_NO_VERSION

diff --git a/rules/regexp/headers.lua b/rules/regexp/headers.lua
index 571ce0b713f11c73d886b5c8517dfa51e04054a2..fd1c966ad447750bf64b450b606507f7da955797 100644 (file)
--- a/rules/regexp/headers.lua
+++ b/rules/regexp/headers.lua
@@ -967,7 +967,7 @@ reconf['HAS_FILE_URL'] = {
 }
 
 reconf['XM_UA_NO_VERSION'] = {
-  re = string.format('(!%s && !%s) && (%s || %s) !%s',
+  re = string.format('(!%s && !%s) && (%s || %s) && !%s',
       'X-Mailer=/https?:/H',
       'User-Agent=/https?:/H',
       'X-Mailer=/^[^0-9]+$/H',