Re: Best practice for SMTP relay with user authentication.

2007-08-13 Thread David Robillard
I have my postfix authenticate users before accepting mail for non-local delivery. Till now, users can connect to port 25 and 465 (smtps) use STARTTLS and authenticate. But, I stumbled upon submission port 587 which is not reserved - it appeas - for a protocol but for a use? I'd like to

Re: Best practice for SMTP relay with user authentication

2007-08-12 Thread Per olof Ljungmark
Erik Norgaard wrote: Hi: I have my postfix authenticate users before accepting mail for non-local delivery. Till now, users can connect to port 25 and 465 (smtps) use STARTTLS and authenticate. But, I stumbled upon submission port 587 which is not reserved - it appeas - for a protocol but