On Thu, Jan 13, 2011 at 10:28 PM, Mark Sapiro <m...@msapiro.net> wrote:
> Manthra wrote: > > > >We have Mailman with Postfix (Virtual) running successfuly with small > >mailing lists(i.e. Having less than just 80 mail-ids in the lists). But > if > >the size of the mailinglist goes beyond 80 mail-ids, it is failing to send > >mails. > > > >We have tried setting up the option "Ceiling on acceptable number of > >recipients for a posting" > >< > http://ex1.com/cgi-bin/mailman/admin/list10/?VARHELP=privacy/recipient/max_num_recipients > > > >to 400, but no use. > > > This setting has no effect whatsoever on this issue. This setting will > cause an incoming post to be held if the number of explicit To: and > Cc: recipient addresses equals or exceeds that number. It has nothing > to do with how a post is delivered. > > > >We are getting the following error in the log file > >/var/lib/mailman/logs/smtp-failure (only when list size crosses 80 > >email-ids) > > > >Jan 13 11:47:18 2011 (27459) delivery to manthra...@gmail.com failed with > >code -1: Server not connected > >................................ > >............................. > >Same error for all the email-ids in the list > > > Something is causing Postfix to disconnect when the recipient list for > the mail exceeds 80 addresses. My best guess is that 25% of your list > addresses are invalid and Postfix is doing recipient address > verification and disconnecting with a 421 error after 20 invalid > addresses. There is a bug in the Python SMTP library > <http://bugs.python.org/issue5713> that can cause the above error when > this occurs. > > Regardless of whether or not the above conjecture is correct, try > setting > > SMTP_MAX_RCPTS = 20 > > in mm_cfg.py and restarting Mailman. This will cause Mailman to deliver > list mail to Postfix in separate transactions with no more than 20 > recipients each and should solve the problem. > > Thank you very much. You are right. List has more than 30 invalid Mail-IDs. After inserting the line SMTP_MAX_RCPTS = 20 to mm_cfg.py , it is working normally. Thank you very for this detailed information > ------------------------------------------------------ Mailman-Users mailing list Mailman-Users@python.org http://mail.python.org/mailman/listinfo/mailman-users Mailman FAQ: http://wiki.list.org/x/AgA3 Security Policy: http://wiki.list.org/x/QIA9 Searchable Archives: http://www.mail-archive.com/mailman-users%40python.org/ Unsubscribe: http://mail.python.org/mailman/options/mailman-users/archive%40jab.org
