10 Dec
2021
10 Dec
'21
9:11 a.m.
https://www.mailop.org/ ----- Mike Hammett Intelligent Computing Solutions http://www.ics-il.com Midwest-IX http://www.midwest-ix.com ----- Original Message ----- From: "Tom Daly" <tjd@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 tjd@q7.io