replace mail options reference URL at configuration.yml.example.
wiki.rubyonrails.org seems dead.
git-svn-id: http://svn.redmine.org/redmine/branches/2.4-stable@13039
e93f8b46-1217-0410-a6f0-
8f06a7374b81
#
# === More configuration options
#
-# See the "Configuration options" at the following website for a list of the
-# full options allowed:
+# See following page:
#
-# http://wiki.rubyonrails.org/rails/pages/HowToSendEmailsWithActionMailer
+# http://guides.rubyonrails.org/action_mailer_basics.html#action-mailer-configuration
# default configuration options for all environments