jackdrag 4d ago
What to do when your cheap IP gets blacklisted by Microsoft · General Discussion
Seattle-based here. I just went through this with Vultr's Seattle DC. IP was clean at spinup, got blacklisted by Microsoft after three weeks of legitimate transactional mail (receipts, password resets, maybe 200/day).
Turns out Vultr had reassigned that IP from a previous customer who was running c...