North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: Summary of ANTI-spam techniques now available
On Mon, 4 Aug 1997, Dana Hudes wrote: > So go ahead, Ehud, I dare you to block all PSI in 38/8 and the > UUNET dial ports as well. ^^^^^^^^^^^ Why do uu.net dialup ports need to talk directly to your mail servers? Few dialup users use software that handles SMTP delivery...they generally do the equivalent of smart host everything off to the provider's SMTP server, and let it handle sending the message to the actual destination. I know there are smart mail clients that do handle it themselves...but they can typically fall-back to the smart host. I've had the following (plus a few other blocks...cyberpromo, quantcom) ! ms.uu.net dialups bite me access-list 102 deny tcp 153.34.0.0 0.3.255.255 0.0.0.0 255.255.255.255 eq 25 This was from before I got heavy into check_* rules, so I can probably remove it now, and ban them in other ways. ------------------------------------------------------------------ Jon Lewis <[email protected]> | Unsolicited commercial e-mail will Network Administrator | be proof-read for $199/message. Florida Digital Turnpike | ________Finger [email protected] for PGP public key_______
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