SeeJayEmm, 10 months ago In my case I have postfix running as an open relay inside my network that then relays to Amazon SES. But I have my own domain. I imagine doing something similar where you relay to o365 might work.
In my case I have postfix running as an open relay inside my network that then relays to Amazon SES. But I have my own domain.
I imagine doing something similar where you relay to o365 might work.