Merged r11526 and r11590 from trunk (#13341).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/branches/2.3-stable@11591 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/mail_handler.rb

@@ -39,6 +39,7 @@ class MailHandler < ActionMailer::Base
     @@handler_options[:allow_override] << 'status' unless @@handler_options[:issue].has_key?(:status)
 
     @@handler_options[:no_account_notice] = (@@handler_options[:no_account_notice].to_s == '1')
+    @@handler_options[:no_notification] = (@@handler_options[:no_notification].to_s == '1')
     @@handler_options[:no_permission_check] = (@@handler_options[:no_permission_check].to_s == '1')
 
     email.force_encoding('ASCII-8BIT') if email.respond_to?(:force_encoding)
@@ -437,6 +438,7 @@ class MailHandler < ActionMailer::Base
     password_length = [Setting.password_min_length.to_i, 10].max
     user.password = Redmine::Utils.random_hex(password_length / 2 + 1)
     user.language = Setting.default_language
+    user.mail_notification = 'only_my_events'
 
     unless user.valid?
       user.login = "user#{Redmine::Utils.random_hex(6)}" unless user.errors[:login].blank?
@@ -457,6 +459,9 @@ class MailHandler < ActionMailer::Base
     end
     if addr.present?
       user = self.class.new_user_from_attributes(addr, name)
+      if @@handler_options[:no_notification]
+        user.mail_notification = 'none'
+      end
       if user.save
         user
       else