postfix-users October 2010 archive
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postfix-users: Multi recipient mail and deferring messages

Multi recipient mail and deferring messages

From: Rich Bishop <rjb38_at_nospam>
Date: Fri Oct 29 2010 - 15:01:51 GMT
To: postfix-users@postfix.org

The first check in our smtpd_recipient_restrictions defers mail for overquota
users:

smtpd_recipient_restrictions =
  check_recipient_access hash:/etc/postfix/overquota,
  check_recipient_access hash:/etc/postfix/legacy-domains,
  .
  .
  .

The overquota map file just defers messages:

xxx@domain.edu 460 Mailbox Overquota
yyy@domain.edu 460 Mailbox Overquota

This appears to be working fine, but I heard from a hotmail user today that a
multi-recipient message to our domain is being deferred for all
recipients. In the postfix logs I see hotmail connecting to us, attempting two
addresses that are overquota and then hanging up. My impression was that it
should send to all valid recipients and only defer for those that we return a
4xx.

Are we incorrectly configured here?

Thanks,

Rich