Thanks Robert (Scott) I have upgraded, checked and followed the Ubuntu docs. transport in master.cf corrected (I had a typo that gave the error with the user expansion), now it is like this;
[root@pepper ~] $ grep -A1 mailman /etc/postfix/master.cf mailman unix - n n - - pipe flags=FR user=list argv=/usr/lib/mailman/bin/postfix-to-mailman.py ${nexthop} ${user} $ mutt fres...@fresher2.nl -stest</dev/null;sleep 2;\ sudo sh -c "find /var/log/ -mmin -1; grep fresher /var/log/mail.log|tail -1" /var/log/syslog /var/log/mail.log /var/log/auth.log Jul 25 20:45:53 localhost postfix/local[10429]: 70E4329020F: \ to=<|/var/lib/mailman/mail/mailman post fres...@fruitcom.com>, \ orig_to=<fres...@fresher2.nl>, relay=local, delay=0.17, \ delays=0.11/0/0/0.06, dsn=5.1.1, status=bounced (unknown user: \ "|/var/lib/mailman/mail/mailman post fresher") FWIW: [eric@pepper ~] $ echo $HOSTNAME pepper.fruitcom.com (Tooth enamel wearing a bit thin) Any ideas where I could look? -- Eric Smith Robert Schetterer wrote on Wed-25-Jul 12 2:36PM > Am 25.07.2012 14:30, schrieb Eric Smith: > > Hi > > > > I have the following versions mailman 1:2.1.14-3 on postfix 2.9.1-5 and > > Ubuntu 12.04 LTS > > > > My installation is for lists on virtual domains > > NOT foobar.fruitcom.com > > but complete virtual domains, in this example > > foobar.com > > > > When I configure with the following instructions such as this one: > > http://free-electrons.com/blog/mailman-howto-ubuntu-10-04/ > > > > Postfix reports a warning: > > warning: /etc/postfix/main.cf: unused parameter: > > mailman_destination_recipient_limit=1 > > > > Mails sent to one of the list commit...@foobar.com give the following error: > > <"|/var/lib/mailman/mail/mailman post committee"@fruitcom.com> > > (expanded from > > <commit...@foobar.com>): unknown user: "|/var/lib/mailman/mail/mailman > > post committee" > > > > Is there a suggestion to address this particular issue which I > > think is the expansion to `committee"@fruitcom.com' , > > alternatively, are there other complete configure instructions that might > > work? > > > > Thanks. > > > looks to me ,like you miss mailman in the transport table > > > look > > https://help.ubuntu.com/community/Mailman > > ---snip > Associate the domain lists.example.com to the mailman transport with the > transport map. Edit the file /etc/postfix/transport: > > lists.example.com mailman: > ---snipend > > then mailman_destination_recipient_limit=1 should work unless there > arent any more failures > > > http://www.postfix.org/postconf.5.html#transport_destination_recipient_limit > > -snip > transport_destination_recipient_limit (default: > $default_destination_recipient_limit) > > A transport-specific override for the > default_destination_recipient_limit parameter value, where transport is > the master.cf name of the message delivery transport. > > Note: some transport_destination_recipient_limit parameters will not > show up in "postconf" command output before Postfix version 2.9. This > limitation applies to many parameters whose name is a combination of a > master.cf service name and a built-in suffix (in this case: > "_destination_recipient_limit"). > --snipend > > -- > Best Regards > MfG Robert Schetterer