Yahoo Grey Listing Policies
Dec 10, 2007
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I've been seeing a lot of problems lately with Yahoo email. It seems that their mail servers delay sending and/or receipt of legitimate messages to their users. A message recently came in and Tyson gave some insight:
"Yahoo has an extremely strict (and in my opinion, asinine) spam policy to where users of a multiple domain hosting site are blacklisted. Being cox.net hosts many domains; Yahoo's filter has it blacklisted. Once they receive enough complaints, they whitelist it and everything runs well. After they return it to the automatic filter, this process will replay again. Cox.net has technicians constantly trying to work with Yahoo, Hotmail, and other massive email servers to prevent this, but it always seems to happen.
Domains like [lunawebs and others] will slip underneath the filter until too many emails are flagged from your domain. You shouldn't have anything to worry about.
By the way, the spam filter servers work pretty quickly. We had a computer with a virus and sent out tons of spam and [one of our domains] was blacklisted. After cleaning the computer and giving one of the services a call, the were whitelisted within an hour."
Thanks Tyson!
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