kat_fold 6d ago
What to do when your cheap IP gets blacklisted by Microsoft · General Discussion
Hey folks
I see a lot of confusion when cheap IPv4s land on Microsoft's blocklists, so here's a quick reference.
First, check your IP reputation at sender.office.com — that's Microsoft's own tool. If you're listed, you'll need to fill out their delisting form (the JMRP one). Be honest about...