alt Hacker NewsI work at a big company that sends alot of emails. And even we have been put in the "bad bad books of o365 bad list", it's an absolute pain to get yourself out of the office 365 defender (I think it's what they call it now?) meanwhile your customers are complaining they arent receiving emails from you.
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Well, your big company should then call M$ out then. E.g., consider you're sending a confirmation e-mail during account registration, then when your server detects that relay is `*.oulook.com` show a warning: 'outlook users most probably will not receive emails from us due to bs policy at microsoft. consider using a different email provider.'
Yes, that may turn some users away, but they would complain and leave anyway, because they don't receive emails from your server. On the other hand, that's how one can contribute to unwinding ms's share of email accounts.
Are companies like MailChimp, SendGrid, etc affected the same way?