[Mailman-Users] Mailman 2.1.9 incorrectly holding messages for "Reason: Message has implicit destination"

Barry Finkel b19141 at anl.gov
Thu Jun 18 16:17:21 CEST 2009

"Schmitt, Gordon A." <gordie at stcloudstate.edu> wrote:

>We had been using mailman 2.1.5 installed on Redhat Enterprise v3.n for
>several years .  A few months ago, we installed a new Redhat system for
>our mailing list server, Redhat Enterprise Linux Server release 5.3
>(Tikanga) which has Mailman 2.1.9 installed. I followed various
>instructions on migrating the mailing lists and everything seemed to be
>working just fine. However, within the past few weeks we noticed that
>some users sending to their favorite lists are having a lot of trouble
>with their messages being held as: "Reason:    Message has implicit
>destination" . Many users do not have this happen.  I have been
>investigating and testing and I can not figure out why. Our main campus
>mail system is Exchange 2007.  They have put the address in the correct
>place, i.e. The To: or CC: fields.
>We create exchange contacts for each mailing list that forwards the
>message to the mailing list server, e.g. listname at stcloudstate.edu
>forwards to listname at lserver.stcloudstate.edu and there was never any
>problems for the past several years before our upgrade.  Below is the
>header info from a message that is being held that should have passed
>through. Can anyone think of what is causing this behavior for certain
>messages? One person mentioned that it  happenes when he did a
>reply-all to a message and it worked after  creatomg a new message. I
>do not know if this could be related because I tried doing this and all
>my messages went through fine. I may have to experiment more with what
>email client software the messages are being sent from, I mostly use
>Entourage on a Mac. The majority of campus use Outlook on some version
>of Windows.

Have you set

     listname at stcloudstate.edu

as an acceptable_alias for

     listname at lserver.stcloudstate.edu


     o Privacy options...
          o Recipient filters

If not, then Mailman does not know that the shorter name is actually
an acceptable name for the real list name.
Barry S. Finkel
Computing and Information Systems Division
Argonne National Laboratory          Phone:    +1 (630) 252-7277
9700 South Cass Avenue               Facsimile:+1 (630) 252-4601
Building 222, Room D209              Internet: BSFinkel at anl.gov
Argonne, IL   60439-4828             IBMMAIL:  I1004994

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