We are using Starlink in a remote place, which does not provide a SMTP relay server like our old (slow) cable modem ISP. A family member uses an email service she does not want to move away from that ...

I've been running my mail server open relay for a while, but figured I should use whatever is considered the "right" way. This way there's less chance that mail I send is rejected, as well. This mail ...

Microsoft has shared updated requirements for SMTP relay via its Exchange Online platform. The new updated requirement is not applicable yet and is set to roll out towards the end of the year.