Re: Block bounced (returned) messages resulting from spam or

Is it possible to search incoming message headers for words that would be in
the subject like "returned" or "undelivered" and just filter them out? I
know its not good policy overall but our users are getting very frustrated
and they take it out on me. Thanks for the input, anxious to see if this is
possible...


Jimmy



On 2/9/04 12:25 PM, "Tony Earnshaw" <tonye@billy.demon.nl> wrote:

> man, 09.02.2004 kl. 15.58 skrev Jimmy Mensinger:
>
>> Hi, I've searched this list long and hard and can't find a suggestion for
>> how to block any incoming bounced messages. It seems to me that our users
>> are getting lots of undeliverable mail errors bounced back to them from
>> email they didn't originally send. Most of them are running macs so I know
>> they can't be victims or hosts of any viruses. As a system policy it is
>> fine by me to block all returned messages for the meantime. But how to do
>> this?
>
> You can't, really. Blocking <> (null) senders will get you into peoples'
> bad books and refusing bounces only makes the problem as an Internet
> point of view a whole lot worse.
>
> One of the mailadmins from one of the largest universities here in the
> Netherlands (TU Delft) told me recently that Postfix is filtering out
> Joe Jobs and consigning them to /dev/null at the rate of 3,000+ per
> minute (he'd made his own filter script). He described a 'tail -f' on
> the log in graphic terms.
>
> --Tonni