On 13-Mar-2009, at 14:51, Jorey Bump wrote:
submission inet n       -       n       -       -       smtpd
-o smtpd_tls_security_level=encrypt
-o smtpd_sasl_auth_enable=yes
-o smtpd_client_restrictions=permit_sasl_authenticated,reject

Yeah, once I get TLS setup. I am running 2.5.6. I did change the submission port to

o smtpd_enforce_tls=no -o smtpd_sasl_auth_enable=yes
-o smtpd_recipient_restrictions=permit_sasl_authenticated,reject
-o syslog_name=postfix/submit

Just to see what would get logged, I went ahead and tried to use this. I knew it wouldn't work, but I was hoping for useful error messages. I got this:

submit/smtpd[32686]: connect from c-67-164-162-51.hsd1.co.comcast.net[67.164.162.51] submit/smtpd[32686]: lost connection after EHLO from c-67-164-162-51.hsd1.co.comcast.net[67.164.162.51] submit/smtpd[32686]: disconnect from c-67-164-162-51.hsd1.co.comcast.net[67.164.162.51] submit/smtpd[32686]: connect from c-67-164-162-51.hsd1.co.comcast.net[67.164.162.51] submit/smtpd[32686]: timeout after UNKNOWN from c-67-164-162-51.hsd1.co.comcast.net[67.164.162.51] submit/smtpd[32686]: disconnect from c-67-164-162-51.hsd1.co.comcast.net[67.164.162.51]

Not that useful...

I wish more clients were like Mail.app in this respect, its default is to try 25, 465, and 587, so if all my users were using Mail.app, I could
just switch things and it would 'do the right thing'.

Is that true after initial configuration? It would be odd for a client
to start probing alternate ports outside of a configuration wizard.

Appears so.  Its default setting is "Use default ports (25, 465, 587)"

--
There is a tragic flaw in our precious Constitution, and I don t
        know what can be done to fix it. This is it: Only nut cases
        want to be president.

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