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How To Configure Custom Postfix Bounce Messages

How To Configure Custom Postfix Bounce Messages

Since Postfix version 2.3, Postfix supports custom bounce messages. This guide shows how to configure custom Postfix bounce messages.

Virtual Hosting Howto With Virtualmin On CentOS 5.1

Virtual Hosting Howto With Virtualmin On CentOS 5.1

This tutorial shows how to set up a CentOS 5.x server to offer all services needed by virtual web hosters. These include web hosting, smtp server with (SMTP-AUTH and TLS, SPF, DKIM, Domainkeys), DNS, FTP, MySQL, POP3/IMAP, Firewall, Webalizer for stats.

Automatically Add Disclaimers To Outgoing Emails With alterMIME On Fedora 8

Automatically Add Disclaimers To Outgoing Emails With alterMIME On Fedora 8

This document describes how to install and configure alterMIME as a Postfix filter on a Fedora 8 system. The resulting system will automatically add disclaimers to outgoing emails.

Mail Server Setup With Exim, MySQL, Cyrus-Imapd, Horde Webmail On Centos 5.1

Mail Server Setup With Exim, MySQL, Cyrus-Imapd, Horde Webmail On Centos 5.1

This how to describes the installation and configuration of a mail system on Centos 5.1 with selinux enabled for enhanced security. This system will be able to service HTTP, HTTPS, SMTP, TLS, SMTP-AUTH, IMAP, POP3 clients and is virtual enabled allowing more than one domain to be served from the system.

How To Set Up Mailman With Debian And ISPConfig

How To Set Up Mailman With Debian And ISPConfig

This short tutorial shows how you can set up Mailman with the ISPConfig devel version (> 2.3.3) on Debian Etch.

Zimbra Collaboration Suite (ZCS) Open Source Edition v5.0 On Debian Etch

Zimbra Collaboration Suite (ZCS) Open Source Edition v5.0 On Debian Etch

This document describes how to set up the Zimbra Collaboration Suite (ZCS) Open Source Edition v5.0 on Debian Etch. The resulting system provides a full featured collaboration-suite with many features that I can't list all here - please have a look at the feature list. It also comes with a nice (themeable) AJAX web interface for administration and user access.

How To Implement Domainkeys In Postfix Using dk-milter

How To Implement Domainkeys In Postfix Using dk-milter

Domainkeys is "DomainKeys is a method of e-mail authentication. Unlike some other methods, it offers almost end-to-end integrity from a signing to a verifying Mail Transfer Agent (MTA). In most cases the signing MTA acts on behalf of the sender, and the verifying MTA on behalf of the receiver. DomainKeys is specified in Historic RFC 4870, which is obsoleted by Standards Track RFC 4871, DomainKeys Identified Mail (DKIM) Signatures." according to the wikipedia. So why a how to on it when there is DKIM ? Well domainkeys is still actively being used and is more widely deployed than DKIM, the developer Yahoo still uses it to sign and verify mail although they are contributers to the DKIM standard.

Set Up Postfix DKIM With dkim-milter

Set Up Postfix DKIM With dkim-milter

DKIM is an authentication framework which stores public-keys in DNS and digitally signs emails on a domain basis. It was created as a result of merging Yahoo's domainkeys and Cisco's Identified Internet mail specification. It is defined in RFC 4871.

Mailscanner/Exim Gateway With Communigate PRO Guide

Mailscanner/Exim Gateway With Communigate PRO Guide

In this tutorial we will be installing and setting up Mailscanner as a mail firewall in front of a Communigate pro cluster. This tutorial has been written for the CENTOS 5.x Linux distro but am sure it can be used for any other Linux based system with little modifications. The system will run with SELinux in enforcing mode.

How To Delete Mails From Or To A Specific Email Address From Your Mail Queue (Postfix)

How To Delete Mails From Or To A Specific Email Address From Your Mail Queue (Postfix)

If you get hit by a spam attack that floods your server with hundreds/thousands of emails from the same sender email address or to the same recipient email address, you can clean your mail queue from these emails with one single command before the mail flood takes your server to its knees.

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