[Mailman-Users] bouncing problem with specific address resp.message-id

Mark Sapiro msapiro at value.net
Sat Feb 5 23:28:15 CET 2005

Dennis Galander wrote:
>i use the actual mailman v2.1.5 and sendmail 8.12.3 as mta (if this
>many lists are running on this server without any troubles. but now i
>got a problem with a specific email-address which will be bounced and i
>don't have any idea to solve this.
>the subscribed address is testuser at domain.de and the mail-log shows this
>as the from-address of the mail-header:
>sendmail[9815]: j12IixwR009815: from=<testuser at domain.de>, size=228403,
>class=0, nrcpts=1,
>msgid=<OFAD6162BE.A6A25616-ONC1256F9C.0066DF13-C1256F9C.0066F3FA at inside.
>domain.de>, proto=ESMTP, daemon=MTA, relay=mail5.exozet.com
>sendmail[9822]: j12IixwR009815: to="|/usr/lib/mailman/mail/mailman
>bounces listname", ctladdr=<listname-bounces at mail4.exozet.com> (2/0),
>delay=00:00:01, xdelay=00:00:00, mailer=prog, pri=258656, dsn=2.0.0,
>(sorry for changing the origin address and listname, but it's for
>privacy issues)
>as you can see the message-id contains the domain INSIDE.DOMAIN.DE and
>in my opinion this is the reason why the mails from this user are
>Feb 02 19:45:02 2005 (9202) bounce message w/no discernable addresses:
><OFAD6162BE.A6A25616-ONC1256F9C.0066DF13-C1256F9C.0066F3FA at inside.domain
>Feb 02 19:45:02 2005 (9202) forwarding unrecognized, message-id:
><OFAD6162BE.A6A25616-ONC1256F9C.0066DF13-C1256F9C.0066F3FA at inside.domain
>now my question: is it possible to change the configuration in that way
>to accept mails from this user. the problem is the user doesn't really
>know his "real" domain name...

I don't think the INSIDE.DOMAIN.DE in the Message-ID: is relevant to
the issue. Nor do I think the user is bouncing.

It looks to me like the user is sending his post to the
listname-bounces at mail4.exozet.com address instead of to
listname at mail4.exozet.com. I suspect that these posts are replies and
his MUA is replying to the envelope sender instead of the proper

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

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