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SSL-Auth checks

From: Martin Sebald
Subject: SSL-Auth checks
Date: Tue, 24 Jun 2014 14:57:21 +0200
User-agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0


I am trying to check SSL Auth on Postfix because it fails for our server from
time to time (I then have to restart saslauthd, courier-authdaemon and
postfix). But it does not seem to work.

I tried the following:

check process postfix with pidfile /var/spool/postfix/pid/
   group mail
   start program = "/scripts/postfix_start"
   stop  program = "/scripts/postfix_stop"
   if failed host port 25
     expect "^220 mail.domain.tld ESMTP.*"
     send "EHLO mail.domain.tld\r\n"
     expect "^250.*"
     send "AUTH PLAIN\r\n"
     expect "^334.*"
     send "encrypted-user-and-password\r\n"
     expect "^235 2.7.0 Authentication successful.*"
     send "QUIT\r\n"
     for 2 cycles then restart
   if 5 restarts within 5 cycles then timeout
   depends on postfix_rc

I checked it by using telnet and connected to Postfix on port 25. The server
accepted everything and gave me back a "235 2.7.0 Authentication successful"
information. Maybe it is just a little small thing which I do not see at the

The following websites were helpful for that:

The encoded user and password is created out of bash with this command:
perl -MMIME::Base64 -e 'print encode_base64("address@hidden")'

Any idea, anybody? ;-)


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