I don't know what the prevailing attitude is, but it seems to me that 451ing unknown senders is a good way to get on the bad side of sysadmins who have to deal with the backlog until your server decides to accept them. I would think if you're willing to spend other's resources on reducing your spam load you would be willing to spend your own and implement SMTP callback, SPF or the like. I tried implementing SPF which actually caught a fair # of forged senders until I noticed that ticketmaster had invalid SPF records and we were rejecting their emails. -S On Wed, 3 Mar 2004, Nathan Allen Stratton wrote:
On Wed, 3 Mar 2004, Brandon Shiers wrote:
Are there any other good lists out there that you folks have had good experience with? Any that we might want to consider taking a look at? Thanks,
Have you look at graylisting, temp failing mail with a sender/receiver/IP you have not seen before?
<> Nathan Stratton CTO, Co-Founder nathan at robotics.net BroadVoice, Inc. http://www.robotics.net http://www.broadvoice.com
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