From iRedMail: Open Source Mail Server Solution for Red Hat Enterprise Linux, CentOS, Debian, Ubuntu, FreeBSD.

General

• Integrate MySQL in Amavisd
• How to enable or disable DKIM
• How to enable or disable greylisting
• What's the best way to upgrade iRedMail?
• How to allow user to send email without authentication Contributed by maxie_ro

OpenLDAP backend

• Howto add alias account with phpLDAPadmin (OpenLDAP backend)

Client, End Users

• How to use OpenLDAP as address book on Microsoft Outlook