This. Been running my own mail for a long time, and with one big exception[1] and occasionally spotting misconfigured systems, any time I've had delivery troub

This. Been running my own mail for a long time, and with one big exception[1] and occasionally spotting misconfigured systems, any time I've had delivery trouble it has been my fault. If someone is bouncing you, make sure your ducks are in a row. One easy thing to do that won't catch everything but will help is to send mail to a Spamassassin-protected account, and look at how it classifies things. [1] The Deathstar has been bouncing me for a long time, and their postmaster appears to be /dev/null. Given that I've had exactly one person using them I wanted to mail, they can bite me.