现在可以通过rake redmine📧test[guange] 发送测试邮件

app/models/mailer.rb

@@ -817,12 +817,12 @@ class Mailer < ActionMailer::Base
       headers[:references] = @references_objects.collect {|o| "<#{self.class.message_id_for(o)}>"}.join(' ')
     end
 
+    set_language_if_valid @initial_language
     super headers do |format|
       format.text
       format.html unless Setting.plain_text_mail?
     end
 
-    set_language_if_valid @initial_language
   end
 
   def initialize(*args)

config/configuration.yml

@@ -215,11 +215,12 @@ production:
 # specific configuration options for development environment
 # that overrides the default ones
 development:
-  delivery_method: :smtp
+  email_delivery:
-  smtp_settings:
+    delivery_method: :smtp
-    address: mail.trustie.net
+    smtp_settings:
-    port: 25
+      address: mail.trustie.net
-    domain: mail.trustie.net
+      port: 25
-    authentication: :login
+      domain: mail.trustie.net
-    user_name: "mail@trustie.net"
+      authentication: :login
-    password: "loong2010"
+      user_name: "mail@trustie.net"
+      password: "loong2010"

lib/tasks/email.rake

@@ -186,9 +186,9 @@ END_DESC
 
       ActionMailer::Base.raise_delivery_errors = true
       begin
-        Mailer.with_synched_deliveries do
+        # Mailer.with_synched_deliveries do
-          Mailer.test_email(user).deliver
+          Mailer.test_email(user).deliver!
-        end
+        # end
         puts l(:notice_email_sent, user.mail)
       rescue Exception => e
         abort l(:notice_email_error, e.message)