"it also allows the spammer to know which addresses work" That may be so, but if the spammer is using an automated system that says "if a message is accepted to an address, add that address to my database, then when EVERY message a spammer sends to you is accepted, the spammer will continue to send his spam to EVERY address that he originally tried. This increases the spam-filtering load on your server greatly. It's your call, but I consider accepting everything and THEN simply deleting 90% of it to be a HUGE waste of my servers' resource.
If a spammer uses a dictionary attack and tries 1000 different addresses, all of which are accepted, and then sends out spam to those 1000 addresses, that's 1000 messages my server has to process and delete. If a spammer does the same thing, but only 20 of those are accepted, then he only sends me 20 spams to process. Just IMO, but I ain't a troll, (nor am I an ogre, bugbear, kobold, gremlin, or anything else fantastical). This is all from experience, too. We used to have the nobody alias on all our domains, and we were processing ~75,000 messages/day on 200 domains. When we removed it a year ago, we eventually dropped to our current level of ~30,000 on what is now about 250 domains. -Dan Horne -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Oblio Sent: Thursday, July 08, 2004 9:41 AM To: [EMAIL PROTECTED] Subject: Re: [IMail Forum] nobody alias supercedes domain filters At 03:43 PM 7/7/2004, you wrote: >If you're going to delete anything that's not correctly addressed, why >not just get rid of the nobody alias and let the server just reject >anything that's not properly addressed at the SMTP session like it >should? > >Chris Yes, that seems reasonable, however, it also allows the spammer to know which addresses work. By accepting everything, they can't remove addresses that don't exist and thus refine their list. It means more lines in my log files, but I'm hoping to do my part to fight spam. 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/
