How to configure Postfix client relay to Exchange 2010 server
- by helcim
I'm getting (delivery temporarily suspended: SASL authentication failed; server myserver.com[xxx.xxx.xxx.x] said: 535 5.7.3 Authentication unsuccessful) when I try to relay mail from Postfix 2.5.5-1.1 on Debian Lenny box to Exchange 2010.
I think I tried all possible combinations but I'm definitely missing something. Here is relevant part of…