[Mailman-Users] New list's SMTP failures

Mark Sapiro mark at msapiro.net
Wed Nov 1 11:33:33 EDT 2017

On 11/01/2017 07:41 AM, Nick Wyman wrote:
> On a server which hosts several mailman lists, a new list is exhibiting odd behavior for owner email addresses.  There are two owners, and both are receiving post emails, but are also bouncing what I assume are administrative emails.
> The smtp-failure log looks like:
> Nov 01 09:37:09 2017 (1387) delivery to <scrubbed> failed with code 553: 5.1.8 <scrubbed>... Domain of sender address mailman-bounces at com does not exist

If it actually says "mailman-bounces at com", go to the list's web admin UI
and look at the setting for host_name near the bottom of the General
Options page. It will be "com". Set it to the actual correct email
domain name for this list.

> Note that the sender address is incorrect (default value?).  Regular posting emails are delivered with the correct sender address (foo-bounces at domain.com).
> Using config_list to inspect the non-working list against a working list produces only the expected differences.

It doesn't show a difference in the host_name setting?

Mark Sapiro <mark at msapiro.net>        The highway is for gamblers,
San Francisco Bay Area, California    better use your sense - B. Dylan

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