Microsoft has SNDS. Microsoft and Google are the two hardest I've found to get removal from.
----- Mike Hammett Intelligent Computing Solutions Midwest Internet Exchange The Brothers WISP ----- Original Message ----- From: "Nate Burke" <[email protected]> To: "Animal Farm" <[email protected]> Sent: Tuesday, December 8, 2020 8:50:16 AM Subject: [AFMUG] SMTP Spam troubles I've started having a lot of problems over the last week with my mailserver getting blocked for Spam. I can't find any reason why, but Microsoft/Senderbase/Comcast are blocking me. I'm not on any Blacklists that I can find, MXToolbox shows it clean on all their blacklist checks, and it's not on barracuda's list. My Mailserver traffic is normal, so I don't' think I have any compromised accounts. I can't find anywhere to check/remove the Microsoft blacklist. The Returned SMTP Messages just has a Link to their general FAQ page and a helpful note that says 'We are blocking your email, Contact your network administrator for assistance'. Going directly to Senderbase and looking up My server shows the server clean. I've already told one customer to move their domain off of me, so I don't have to answer their hourly calls wondering when it will be fixed, and I'm getting ready to tell another to leave, since there's nothing that I can find to fix. But it's always MY fault that someone else is not accepting their email. It's never up to the person with the Hotmail or Comcast account complaining to their company that they can't receive mail from this person. Did something recently change with some SMTP Protocol or vague DNS check that I missed updating that the big companies are blacklisting me now? -- AF mailing list [email protected] http://af.afmug.com/mailman/listinfo/af_af.afmug.com
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