[Bug 1609713] [NEW] SMTP sending errors are ignored

Björn Jacke bjoern at j3e.de
Thu Aug 4 05:41:46 EDT 2016

Public bug reported:

When the smtp server does not accept a message that mailman tried to
send via smtp, the error is being ignored by mailman.

In my specific case I reject mails at the MTA based on whether or not
the recipient domain is on a blacklist. If someone with a blacklisted
domain wants to subscribe via the mailman web interface he sees no error
message, just the usual "Your subscription request has been

What I would expect is that mailman notices that the SMTP delevery
failed and that the user gets back some kind of error message about a

** Affects: mailman
     Importance: Undecided
         Status: New

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  SMTP sending errors are ignored

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