Defect #20465

MailHandler: ignoring email with Auto-Submitted:auto-generated header

Added by Benoit BRETON over 7 years ago. Updated almost 7 years ago.

Status:Needs feedbackStart date:
Priority:NormalDue date:
Assignee:-% Done:


Category:Email receiving
Target version:-
Resolution: Affected version:3.1.0


I think there's a little bug in the processing file "mail_handler.rb" a line 84.

It should be replaced:

     'Auto-Submitted' => / \ Aauto- (Replied | generated) /,
     'Auto-Submitted' => / \ ^ self (Replied | generated) /,

Related issues

Related to Redmine - Patch #16190: Relax rejections based on Auto-Submitted header Closed


#1 Updated by Toshi MARUYAMA over 7 years ago

  • Status changed from New to Needs feedback

Please describe more details.

#2 Updated by Nate Mow almost 7 years ago

I think I've run in to the same bug with our 3.0.3 instance; mail is definitely being sent for some circumstances, but through some combination of acting through the UI and also responding via direct email replies, the log tail is showing "MailHandler: ignoring email with Auto-Submitted:auto-replied header". I've confirmed this is happening using both local sendmail and Gmail SMTP.

It seems like a workaround might go in app/models/mailer.rb to allow config/settings.yml:mail_from config to override that value to at least allow users to skip the mail_handler.rb validation.

#3 Updated by Nate Mow almost 7 years ago

As best I can tell, it looks like once the header has been added, whether by Redmine or by an external mail server (e.g. #16190), Redmine will just skip sending of some does make it in, attaches to correct ticket, etc. but no notice is happening.

#4 Updated by Toshi MARUYAMA almost 7 years ago

  • Related to Patch #16190: Relax rejections based on Auto-Submitted header added

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