I upgraded from Mailman 2.0.6 to 2.1.5, and I'm having a problem with 
the aliases.   My MTA is Postfix.

Here's my problem.  Our mail system uses the LDAP server for all the MTA 
required local aliases.  However, on the specific server hosting 
Mailman, I modified the following line in the Postfix main.cf file to 
include the Mailman aliases file:

       alias_database = 
dbm:/etc/postfix/aliases,dbm:/opt/mailman_2.1.5/data/aliases

Apart from hosting Mailman, that server is not part of our regular mail 
system.

When a message is sent to <listname>@linfield.edu, Postfix, on which 
ever one of the mail gateway servers that first sees the message, looks 
up the alias, and then using the mailroutingaddress attribute, re-routes 
the mail to <listname>@calvin.linfield.edu, which is the actual name of 
the host.  However, when the mail hits the Mailman server, Postfix 
reject it with the error:


     550 <<listname>@calvin.linfield.edu>: User unknown in local 
recipient table

The other pertinent setting in main.cf is:

     local_recipient_maps = $alias_maps, dbm:/opt/mailman_2.1.5/data/aliases

I've played extensively with the various Postfix parameters, and I've 
not been able to resolve this problem.  It probobly is a Postfix 
settings issue, and I'm hoping someone has had and resolved a similar issue.

Thanks,
Rob


-- 

Rob Tanner
UNIX Services Manager
Linfield College, McMinnville OR
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