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Re: Postfix is spammer-friendly by default on potato and woody

On Thu, Nov 02, 2000 at 12:05:00PM +0100, Borut Mrak wrote:
> Hmm...wise decision ;-]


> mail-abuse.org just test relaying...and postfix fails the test, but doesn't

it fails? since when?  or rather what are you defining as failure?  in
my tests it refused to relay each and every attempt from them.  

> relay anyway... In our case, the mail is not going to be relayed but
> delivered localy. It's the responsibility of the admin to decide what
> envelope From (and other stuff) he is going to accept. The default should
> stay open.

OK, yes thats what i thought those options did, restrict what mail
postfix will accept to itself, not anything to do with actual relaying
to elsewhere.  

> > can someone else running a production postfix server comment on this? 
> Well...let's just say that if your DNS is flaky, this wouldn't be a good
> option to add. The message will be rejected with a 4xx code, meaning the
> sending host will try for a few days and then stop.
> It catches some spam, though.

yes, those option then only protect local users from receiving crap,
but has nothing to do with relaying spam.  

so my question now is postfix a open relay by default or not?  

> IMO, if the volume of spam is of concern to an admin, he should read the
> docs and fix it himself.


i am forwarding this back to the list.  

Ethan Benson

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