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----- Mike Hammett Intelligent Computing Solutions http://www.ics-il.com Midwest-IX http://www.midwest-ix.com ----- Original Message ----- From: "Tom Daly" <t...@q7.io> To: nanog@nanog.org Sent: Friday, December 10, 2021 7:42:50 AM Subject: Assistance with Microsoft O365 Email Deliverability? Hi NANOG'ers, Reaching out for help - having troubles with email delivery into O365 inboxes. Have done the requisite PTRs, SPF+DKIM work, domain reputation, RBL checks, etc. For some reason, this one is vexxing me. Anyone from Microsoft on the list that could lend a helping hand? Thanks, Tom -- Tom Daly t...@q7.io
