Date: Sun, 12 Aug 2007 14:35:05 +0200 From: Erik Norgaard <norgaard@locolomo.org> To: FreeBSD Questions <questions@freebsd.org> Subject: Best practice for SMTP relay with user authentication Message-ID: <46BEFE79.1040108@locolomo.org>
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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 to align my configuration with best practice. Should I just move postfix to bind to port 587 or did I misunderstand that submission is indeed a different protocol? Is there any best practice for which protocol should be used for submission? Thanks, Erik -- Ph: +34.666334818 web: http://www.locolomo.org
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