Kimball: > This being said, should I simply configure my mail server to send all > these sorts of messages to /dev/null? What implications arise from > doing that?
Well, how will you know the difference between a bounced message because someone at your domain sent a legitimate message but mistyped the recipient's address, and a bounced message from a spammer? That's the trick-- you probably don't want to /dev/null ALL of your bounce messages. > Will my domain wind up blacklisted as a spammer if I > simply bury my head in the sand and ignore the problem? Unfortunately there's absolutely nothing you can do to stop a spammer from impersonating your domain. You can certainly take steps to clean up the flood of bounces (although it's a tough line to walk) or make your domain more "compliant" (SPF, DK, etc.), but that's about it. No reasonable blacklist will flag your domain; they typically flag IP's of known spam sources. Flagging domains would be very bad, for precisely the reason that they can be faked. If that was the case, someone malicious could send a gazillion spam messages appearing to come from, say, Microsoft and get their domain blacklisted. :) HTH, Jeff
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