At Fri, 26 Jun 2009 09:35:30 +0200, "Gerd v. Egidy" <[email protected]> wrote:
Subject: Re: Incorrect size calculations on bogus messages
>
> if your mailer daemon has already accepted the mail but lmtp rejects it, you
> have to create a bounce message. When the message is spam you'll usually get
> a
> faked sender address and have problems delivering the bounce. I've been
> creating all kinds of solutions to get rid of such bounces.
>
> So please don't add another case where lmtp rejects a message without at the
> same time creating a filter for the mailer daemon which uses exactly the same
> criteria for rejection. The filter could be created for the milter interface
> and thus work for sendmail and postfix.
Seconded, and agreed 10^100 fold and more.
Never EVER put policy rejections in the LDA -- only ever in the MTA.
Backscatter attacks, be they purposeful or "accidental", are never fun.
Unfortunately they are an ongoing reality for all to many sites.
--
Greg A. Woods
+1 416 218-0098 VE3TCP RoboHack <[email protected]>
Planix, Inc. <[email protected]> Secrets of the Weird <[email protected]>
