[Mailman-Users] Undeliverable emails!

Mark Sapiro msapiro at value.net
Tue Mar 15 18:09:21 CET 2005

Genevieve Buri wrote:
>BUT, now I seem to have a group problem...
>Mar 15 16:38:12 levoy Mailman mail-wrapper: Group mismatch error.  
>Mailman expected the mail wrapper script to be executed as group 
>"mailman", but the system's mail server executed the mail script as 
>group "mailnull".  Try tweaking the mail server to run the script as 
>group "mailman", or re-run configure,  providing the command line option 
>What is that mailnull group ? I don't know where it comes from..

It is the group that sendmail is running as when it tries to deliver to
Mailman. It's configured in sendmail.

See the documentation of the --with-mail-gid option for configure in
the INSTALL document or at

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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