Linux Mail Server Setup and Howto Guide

This article describes how to use a text file or static db file as the source for user accounts in Postfix and Dovecot. This is suitable for very simple mail account requirements. For larger implementations, check out the MySQL virtual accounts or Active Directory/LDAP virtual accounts.

This article describes how to configure Postfix to restrict mails from a sender, to a recipient, or both.

This article describes how to use MailScanner to add a disclaimer message to outgoing mails in Postfix. Make sure MailScanner is integrated into Postfix and tested to be working.

Backing up your mailboxes is a simple as copying your mailbox folder. This article describes how to backup and restore your Postfix mailboxes using the tar command.

To improve security or offload services like virus and spam checking, you may want to implement an SMTP gateway. This article describes how to configure Postfix as an SMTP gateway.

Postfix can be configured to prevent email senders from using an email address that does not belong to them. This article describes how to configure the sender restriction in Postfix to prevent senders from spoofing email addresses.

This article describes how to configure Postfix and Dovecot to use SSL/TLS to encrypt communication. Before you begin, generate an SSL certificate.

This article describes how to configure Postfix to blindly accept all emails, meaning receive email without checking the recipient. This setup is useful as a backup or archive mail destination.

This article will show you how to copy incoming mail to another mail server using the blind carbon copy (BCC) feature in Postfix. This capability is useful for backup, archive or disaster recovery purposes.

Postfix can be configured to act as a backup mail server. A backup MX server accepts mail if the primary mail server goes down and will forward all mails in its queue if the primary mail server goes back online.