On 11/2/2009 8:18 AM, Christian Recktenwald wrote:
Hi,

I have postfix, mailman and an imap service running on one mail server.

Problem is, every couple of months several dozens of list
member mail boxes expire. If in this case mailman tries to
deliver a posting it gets many errors concerning unknown users
*and* terminates the smtp session due too many failures.

This causes trouble because mail addresses listed on the list
after the smtp connection hit the limit of acceptable invalid
rcpts per connection will never get their mail.

So I need a way to just switch this session terminating off
or to set the limit of acceptable invalid recipients to
a higher value.

(Sure one could think of some better work flow
but the guys running the mailing list and user base
have their own opinion on what's to be changed here.)

TIA, Chris



Arrange for mailman to use a port other than 25 for submitting mail, and increase the error count on that port in postfix's master.cf

An example using the submission port 587

# master.cf
submission  inet  n  -  n  -  -  smtpd
  -o syslog_name=postfix-submission
  -o smtpd_hard_error_limit=1000
  -o smtpd_soft_error_limit=1000


  -- Noel Jones

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