From: Chris Dos (no email)
Date: Mon Feb 23 2009 - 13:01:46 EST
Noel Jones wrote:
> Chris Dos wrote:
>> I've been tasked to figure out a way for our three postfix relay
>> servers to intercept every hard bounced back
>> e-mail and process it for our web application.
>> We have about nine servers relaying mail through our three postfix
>> servers. These servers send mail on behalf
>> of our clients. I'm trying to figure out a way to intercept a hard
>> bounce back from the destination server
>> and process it internally instead of bouncing back the error to our
>> clients. I've figured out a way to have a
>> copy of the bounce that would have gone to the postmaster account and
>> have that get processed, but it would
>> have still bounced it back to our client as well.
> A check_sender_access map that returns REDIRECT should do the trick.
> <> REDIRECT someuser at localhost
> careful here - this may intercept stuff you don't intend. You might
> combine this with a check_recipient_access under smtpd_restriction_classes.
> -- Noel Jones
Well, we have hundreds of thousands of different e-mail addresses being used. We are trying to analyze every
bad bounce back to keep a handle on our clients to make sure they are not sending UBE or any other kind of
mail they are not supposed to. Analyzing the bounce backs is one method we use to track the clients.