@mwl I finaly migrated MX records of my self hosted server to Proton. Glad I did it. Last 2 years was a pain without rDNS from my ISP Provider.
@ludman1
Yeah, you need reverse DNS, period. That's in Chapter 0 of the book.
@mwl
Which is what I read atm. And I love it! ✌️
@ludman1
Yeah, you need reverse DNS, period. That's in Chapter 0 of the book.