Girish Venkatachalam <[EMAIL PROTECTED]> writes: > You must be aware that google and other such popular mail services like > yahoo!, hotmail etc. blatantly flout RFC2821 and retry mails from a bank > of mail servers.
A large part of the problem is that while RFC2821 states that the sender MUST retry, it does not actually say that the new delivery attempts are required to come from the same IP address (at least as far as I can remember). Silly, but there it is. Some of us lazy sysadmins have ended up whitelisting the IP addresses the domains in question state via SPF records or similar are their valid outgoing SMTP servers. Fortunately valid email senders that do not grok greylisting are getting rarer by the minute. BTW, anybody else interested in running something like the Name and Shame Robot (<http://www.bsdly.net/~peter/nameandshame.html>)? Or for that matter being a guinea pig for a spamd related experiment? Let me know off-list if you're feeling adventurous. - P -- Peter N. M. Hansteen, member of the first RFC 1149 implementation team http://bsdly.blogspot.com/ http://www.bsdly.net/ http://www.nuug.no/ "Remember to set the evil bit on all malicious network traffic" delilah spamd[29949]: 85.152.224.147: disconnected after 42673 seconds.
