Re: Best practice for SMTP relay with user authentication.

> 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 lik

Re: Best practice for SMTP relay with user authentication

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 f

Best practice for SMTP relay with user authentication

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 for a use? I'd like t