ISPConfig 3 update to Ubuntu 12.04.1 LTS - broken mailserver

  • After upgrading from Ubuntu 12.04 LTS to 12.04.1 LTS mail relay and delivery was no longer working.


    The following errors were being reported in /var/log/mail.log:
    Aug 26 16:51:47 mail postfix/smtpd[17398]: warning: SASL: Connect to private/auth failed: Connection refused
    Aug 26 16:51:47 mail postfix/smtpd[17398]: fatal: no SASL authentication mechanisms
    Aug 26 16:51:48 mail postfix/master[2350]: warning: process /usr/lib/postfix/smtpd pid 17398 exit status 1
    Aug 26 16:51:48 mail postfix/master[2350]: warning: /usr/lib/postfix/smtpd: bad command startup -- throttling


    After taking a closer look it seemed like 2 packages were missing:
    sudo apt-get install dovecot-mysql dovecot-sieve


    Something also broke the postfix/dovecot configuration:
    wget http://prdownloads.sourceforge…/ISPConfig-3.0.4.6.tar.gz
    tar -xzf ISPConfig-3.0.4.6.tar.gz
    cd ispconfig3_install/install
    sudo php update.php


    Now follow the installer/updater and choose to reconfigure services, once this is finished your mailserver should work again.

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