Sorted:

How to make simple system user authentication work with postfix/dovecot on 12.10?-Collection of common programming errors

Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)-Collection of common programming errors

Postfix TLS issue-Collection of common programming errors

Ubuntu 10.04 Postfix Dovecot ISPConfig 3 – send spam from own domain to random users-Collection of common programming errors

Integrating multiple mailboxes (dovecot, Exim, maildir)-Collection of common programming errors

dovecot Mail delivery System returns “unknown user” and client authentication fails-Collection of common programming errors

dovecot mailserver: Authentication server didn't send valid SPID as expected-Collection of common programming errors

How to setup replication between my two ISPConfig3 servers-Collection of common programming errors

problem about proprietary-Collection of common programming errors

problem about feed-Collection of common programming errors