If looking at Windows based gateways, consider Alligate (www.alligate.com).
Bill ----- Original Message ----- From: "Rifat Levis" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Saturday, July 19, 2003 6:38 PM Subject: Re: [IMail Forum] NOBODY alias > Here is what i think , > > > >Harvesting isn't bad because it learns a (probably very tiny) number of > >your users. It's bad because, in sufficient intensity, it DoSes your > server. > > > >All credible anti-spam techniques block 95% of all spam to KNOWN users. So > >what's the big deal if harvesting learns a few of them? Obscurity of email > >addresses is not effective anti-spam defense. > > I can stop more than %95 of all spam using declude(really great product) > But can not stop the DOS attack caused by harvesters. > When the harvester see OK for all mail adresses ,it will make it go away. > Causing less DOS attack in time. > When finished the dynamic ip blocking will do better job than nobody alias. > > > >Be careful. You may be surprised who you hurt with your tarpitting. > > All my clients are using SMTP AUTH there is no way they can be affected. > Unless they send to local users ,but this can be whitelisted for > authenticated users > > > > >... you lose the WAN and disk bandwidth of msgs to unknown users. This can > >be 100's of MB/day > > About the bandwith > I really dont have a bandwith problem , the limit is the speed of the > server. > > > Right Now , > I am looking for a gateway software ,which can check the existence of the > user on imail . > Have found 1 , SURGEMAIL is checking via smtp connection. > Still looking around if some other exist . > > > Regards > Rifat Levis > > > > > > > > > To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html > List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ > Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ > To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/
