My thought was that by moving to IP / HELO instead of FROM, you would have fewer entries to hash, and could keep them around for longer. The entries would be valid for a larger group of users (an entire mailing list for example) and so the delays would occur less frequently.
Maybe the tripplet process could be used to validate a server as ssending GOOD mail, and then after that the couplet could be used to allow future mail to continue to flow without delay (based on the assumption that spammers use different servers than the legitimate senders). ? m/ -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Gordon Messmer Sent: Friday, August 29, 2003 10:55 AM Cc: [EMAIL PROTECTED] Subject: Re: [courier-users] feature request Mitch (WebCob) wrote: > Can't the whole process be made simpler by changing the tripplet to a > couplet? > > Instead of watching sourceip, from address, to address can't we just watch > sourceip? or sourceip and to address? If you ignore the from address, what would ever qualify a server as "known good"? The general idea is that if you see repeated deliveries from one address to another, the server sending the message is probably acting in good faith and should be allowed to communicate. My impressions are that the implementation is too complicated, as well. I don't like the idea of tracking the sender's IP, because that will cause more delays than necessary if the sender uses a cluster of MTA's. Also, many MTA's acting in good faith will attempt redelivery in a very short period of time, while *most* spammers won't send messages from the same sender to the same recipient immediately, so the minimum delay just makes legitimate mail take longer than it needs to. ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ courier-users mailing list [EMAIL PROTECTED] Unsubscribe: https://lists.sourceforge.net/lists/listinfo/courier-users ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ courier-users mailing list [EMAIL PROTECTED] Unsubscribe: https://lists.sourceforge.net/lists/listinfo/courier-users
