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0 votes
2 answers
546 views

Postfix multiple IPs: which to use for SMTP AUTH?

I am setting up a mail server which has separate IP addresses for sending and receiving mail. My config looks like this: # The addresses we send out on: smtp_bind_address = 185.xx.xx.101 smtp_bind_ad …
TommyPeanuts's user avatar
4 votes
2 answers
9k views

Dovecot doesn't create /var/spool/postfix/private/auth

I'm moving an Ubuntu 14.04 postfix mail installation from one machine to another. The current setup works fine pretty much with Ubuntu's default postfix and dovecot setup so that users can use SMTP au …
TommyPeanuts's user avatar
1 vote
Accepted

How to debug "lost connection after STARTTLS"?

This was caused by a change to the Postfix config that made SASL users untrusted on the local network unless they belonged to a specific group. The clue was in putting the following lines in Roundcub …
TommyPeanuts's user avatar
1 vote
Accepted

Dovecot doesn't create /var/spool/postfix/private/auth

It looks like the error being reported was misleading. In fact, there was a path to an SSL certificate in the config file(s) that dovecot wasn't finding. So it wasn't starting properly and therefore n …
TommyPeanuts's user avatar
0 votes
1 answer
3k views

How to debug "lost connection after STARTTLS"?

We have a web server which sends mail out via our Postfix relay over a LAN connection. Users from outside our network also send mail out via SMTP AUTH though that relay too. However, we have a webma …
TommyPeanuts's user avatar