[Mailman-Users] Mailman receives, archives, acks message but does not send to list

Wei Qin wqin.work at gmail.com
Fri Jan 16 19:33:13 CET 2009

Thank you, Mark. The problem is resolved now. It was due to the 
selection of the "not metoo" option, and also the mysterious message 
loss related to gmail's inbox.


Mark Sapiro wrote:
> Wei Qin wrote:
>> Thanks. I tried everything on the page 
>> http://wiki.list.org/display/DOC/4.78+Troubleshooting-+No+mail+going+out+to+lists+members 
>> but nothing helps. Permission is correct. The qrunners and the MTA are 
>> all up and running. Log shows that it is sending out acknowledgements, 
>> auto responses, and daily digests fine, but it somehow skips sending the 
>> message itself.
> Does the list have any eligible recipients? I.e. is there at least one
> list member who is a regular, not a digest member, who has delivery
> enabled, who is not in a To: or Cc: of the message unless avoid dups
> is not set and who is not the poster if the poster is not set to
> receive own posts?
>> I tried to strace the outgoingrunner, it does the following when a 
>> message is posted.
>> 1. opens the message file in the out folder,
>> 2. opens config.pck,
>> 3. opens another message file in the out folder (seems user notification)
>> 4. opens config.pck again,
>> 5. establish socket connection and sends a message.
>> Apparently, it skips sending the original message file after reading 
>> config.pck. I went through the configuration options but couldn't see 
>> any option that could have turned off message delivery. What could have 
>> gone wrong?
> Try stopping OutgoingRunner with a SIGTERM. Then send a post and look
> at the entries in the out queue with Mailman's bin/dumpdb. dumpdb will
> show two objects, the message and it's metadata. Is there an entry for
> the outgoing post? If so, is there anything in the 'recipients' list
> in the metadata. If so, the post should be sent to those addresses
> when OutgoingRunner is restarted. If not, either the CalcRecips
> handler didn't find any eligible recipients or AvoidDups removed them.
> The cleanest way to restart after this is to stop and then start
> mailman with bin/mailmanctl.

Wei Qin

Assistant Professor
ECE Department
Boston University
8 St. Mary's Street
Boston, MA 01760

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