Apply UCE rules to Postmaster 1

[umbrae]

I have been going a little crazy trying to track down the few little rats that slip through my UCE controls. It appears that postmaster accepts all mail and does not apply to UCE rules.

I understand that an enterprise would want this behavior, but I run my mail server only for a family of 5. If someone is in my list of denied clients, then I DO NOT WANT ANY MAIL ACCEPTED.

How do I have postfix apply the UCE rules to POSTMASTER? My next step is to just point postmaster to a dead box, but I would like people not on my UCE crap-can to contact Postmaster.

Thanks for the help!

 

[jkupski]

It would help to know what you were using for content filtering...?

 

[umbrae]

I am just using the standard functions in postfix. Mainly a hash of restricted clients.

A person (from a restricted subnet) spammed several thousand generic addresses on my system. All were rejected except for the email to postmaster. I was also able to test adding a my corporate subnet and sending from work. All email rejected excpet to postmaster.

It seems as if postmaster is ignored when running all UCE controls. Was hoping this was something simple.

 

[jkupski]

I don't believe that postmaster is explicitly ignored, but rather that there is something in your configuration that is allowing all mail to postmaster past the filters. Take a long look at main.cf and make sure you've checked all the associated files with your UCE rules. Somewhere in one of those files I'm positive that you will see something like:

Postmaster OK

On the other hand, here's a usenet thread where Wietse says that an unqualified postmaster is specifically exempted from UCE checks in order to comply with RFC 2821:

http://groups.google.com/group/mail...15e6/eb98d599716a60fe?&hl=en#eb98d599716a60fe

So you may just be SOL here.

 

[umbrae]

I have checked all over and there is nothing like that, so I am pretty sure it is related to the item in your link.

Guess that nobody fellow is going to get more mail then.