> People can still run their own email server if they want, and it will work just fine,...
> I suspect you have not setup SPF, DKIM or are blacklisted on spam lists. Or if you've done all this, possibly the formats for your emails is suspect.
In what sense is this "work[ing] just fine?" "Sorry, we threw away your mail for some random reason, and we won't tell you about it" seems like poor service.
>"Sorry, we threw away your mail for some random reason, and we won't tell you about it" seems like poor service.
I did testing and found it was not random. Also, maybe my experience running SpamAssassin in the past helped me. Look up how SpamAssassin filters emails and it may help you with your problem.
> I suspect you have not setup SPF, DKIM or are blacklisted on spam lists. Or if you've done all this, possibly the formats for your emails is suspect.
In what sense is this "work[ing] just fine?" "Sorry, we threw away your mail for some random reason, and we won't tell you about it" seems like poor service.