[throw555chip]

Near the end:

"In order to deliver email to other mail providers without being marked as spam, I ideally needed to implement all three policy frameworks with the mail server."

Then a few lines later:

"Inbound and outbound message delivery was working."

[jeffbee]

Those things are necessary but if that's the extent of their efforts then they are going to be sad.

[throw555chip]

Been doing it since 1999 and the things they mentioned are the main things to do, works great.