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Tutorial: Automatically add a disclaimer to emails with alterMIME (Postfix on Debian 6)

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This tutorial shows how to install and use alterMIME. alterMIME is a tool that can automatically add a disclaimer to emails. In this article I will explain how to install it as a Postfix filter on Debian Squeeze. read more...
permapage | score:9755 | -falko, January 18, 2013

Build a Mail Server on CentOS 6 with Postfix, Dovecot, PostgreSQL

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We're going to set up a free, full-featured mail server on CentOS 6.2, all mail service related components are free and open source, and you have control over your own data. The installation process is extremly easy and smooth. read more...
permapage | score:9520 | -falko, April 29, 2012

Virtual Users/Domains with Postfix/Courier/MySQL/SquirrelMail (Debian 7)

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This document describes how to install a Postfix mail server that is based on virtual users and domains, i.e. users and domains that are in a MySQL database. I'll also demonstrate the installation and configuration of Courier, so that Courier can authenticate against the same MySQL database Postfix uses. The resulting Postfix server is capable of SMTP-AUTH and TLS and quota. Passwords are stored in encrypted form in the database. In addition to that, this tutorial covers the installation of Amavisd, SpamAssassin, ClamAV, and SquirrelMail. read more...
mail this link | permapage | score:9503 | -falko, July 8, 2013

Tutorial: PostfixAdmin and Fetchmail

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Have you ever wanted to move mail from an old account to a new account? This tutorial will show you how to use fetchmail with PostfixAdmin. read more...
permapage | score:9491 | -aweber, September 3, 2010

Tutorial: Install Postfix, Courier, MySQL, SquirrelMail on CentOS 6.2

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This document describes how to install a Postfix mail server that is based on virtual users and domains, i.e. users and domains that are in a MySQL database. I'll also demonstrate the installation and configuration of Courier, so that Courier can authenticate against the same MySQL database Postfix uses. The resulting Postfix server is capable of SMTP-AUTH and TLS and quota. Passwords are stored in encrypted form in the database. In addition to that, this tutorial covers the installation of Amavisd, SpamAssassin, ClamAV and SquirrelMail. read more...
mail this link | permapage | score:9388 | -falko, February 2, 2012

iRedMail: Quickly configure a Mail Server with LDAP, Postfix, RoundCube / SquirrelMail on Ubuntu 8.04

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iRedMail is a shell script that lets you quickly deploy a full-featured mail solution in less than 2 minutes. Since version 0.5, iRedMail supports Ubuntu 8.04, 9.04 (it supports both i386 and x86_64). Its object is to make a Linux mail server installation and configuration simple and easy to use. iRedMail supports both OpenLDAP and MySQL as backends for storing virtual domains and users. This tutorial shows how to use the OpenLDAP backend. read more...
permapage | score:8974 | -falko, December 3, 2009

Virtual users with Postfix/Courier/MySQL/SquirrelMail (Ubuntu 12.10)

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This document describes how to install a Postfix mail server that is based on virtual users and domains, i.e. users and domains that are in a MySQL database. I'll also demonstrate the installation and configuration of Courier, so that Courier can authenticate against the same MySQL database Postfix uses. The resulting Postfix server is capable of SMTP-AUTH and TLS and quota. Passwords are stored in encrypted form in the database. In addition to that, this tutorial covers the installation of Amavisd, SpamAssassin and ClamAV so that emails will be scanned for spam and viruses. I will also show how to install SquirrelMail as a webmail interface so that users can read and send emails and change their passwords. read more...
mail this link | permapage | score:8973 | -falko, November 8, 2012

Forward Postfix aliases to /dev/null

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Send Postfix virtual aliases to /dev/null...
...sometimes you want to use a "do-not-reply" type of email address, and you don't want to have to mass-delete the mailbox at intervals.

The usual solution is to forward to /dev/null, and in a local-only setup you could do that in /etc/aliases:

do-not-reply: /dev/null

However, if you're using Postfix virtual domains, it gets a little more complicated. With virtual domains/users, you can't forward mail to a file. It must go to a user or an email address, like this:
read more...
mail this link | permapage | score:8815 | -Ray, October 25, 2009

Set up Postfix, MySQL, DoveCot, DSpam, ClamAV, Postgrey on Debian Linux

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This guide describes how to set up a full email solution in Debian Linux (all code is from Debian Etch). I was asked to design a secure, scalable, portable solution for a small company. While the guide references many servers, the company only had 4 physical machines, Xen was used to virtualize the entire solution. That particular aspect of the system is not discussed in this guide, although I will try to get it into the next revision. read more...
permapage | score:8761 | -falko, October 31, 2007

Set up a Postfix Autoresponder

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Autoresponse is an autoresponder for the Postfix MTA. It allows you to create autoresponder messages for email accounts from the shell and also by emailing the autoresponder text to a certain email address. read more...
permapage | score:8666 | -falko, April 3, 2009

Tutorial: Harden Postfix

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The goal of this tutorial is to harden the mail server Postfix used by ISPConfig for internet mail servers where authenticated users are trusted. With this setup you will reject a great amount of spam before it passes into your mail queue, saving a lot of system resources and making your mail server strong against spammers and spam botnets. read more...
permapage | score:8652 | -falko, February 3, 2012

Virtual Users/Domains with Postfix, Courier, MySQL, SquirrelMail (CentOS 6.3)

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This document describes how to install a Postfix mail server that is based on virtual users and domains, i.e. users and domains that are in a MySQL database. I'll also demonstrate the installation and configuration of Courier, so that Courier can authenticate against the same MySQL database Postfix uses. The resulting Postfix server is capable of SMTP-AUTH and TLS and quota. Passwords are stored in encrypted form in the database. In addition to that, this tutorial covers the installation of Amavisd, SpamAssassin and ClamAV so that emails will be scanned for spam and viruses. I will also show how to install SquirrelMail as a webmail interface so that users can read and send emails and change their passwords. read more...
mail this link | permapage | score:8651 | -falko, March 27, 2013

Virtual Users with Postfix, Courier, MySQL, SquirrelMail (CentOS 6.0)

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This document describes how to install a Postfix mail server that is based on virtual users and domains, i.e. users and domains that are in a MySQL database. I'll also demonstrate the installation and configuration of Courier (Courier-POP3, Courier-IMAP), so that Courier can authenticate against the same MySQL database that Postfix uses. The resulting Postfix server is capable of SMTP-AUTH and TLS and quota. Passwords are stored in encrypted form in the database. In addition to that, this tutorial covers the installation of Amavisd, SpamAssassin and ClamAV so that emails will be scanned for spam and viruses. I will also show how to install SquirrelMail as a webmail interface so that users can read and send emails and change their passwords. read more...
mail this link | permapage | score:8581 | -falko, September 23, 2011

Virtual users with Postfix, MySQL, SquirrelMail (Mandriva 2010.0)

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This document describes how to install a Postfix mail server that is based on virtual users and domains, i.e. users and domains that are in a MySQL database. I'll also demonstrate the installation and configuration of Courier (Courier-POP3, Courier-IMAP), so that Courier can authenticate against the same MySQL database Postfix uses. The resulting Postfix server is capable of SMTP-AUTH and TLS and quota. Passwords are stored in encrypted form in the database. In addition to that, this tutorial covers the installation of Amavisd, SpamAssassin and ClamAV so that emails will be scanned for spam and viruses. I will also show how to install SquirrelMail as a webmail interface so that users can read and send emails and change their passwords. read more...
mail this link | permapage | score:8560 | -falko, March 18, 2010

Virtual Users, Domains on Postfix, Courier, MySQL, SquirrelMail (Debian 6)

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This document describes how to install a Postfix mail server that is based on virtual users and domains, i.e. users and domains that are in a MySQL database. I'll also demonstrate the installation and configuration of Courier (Courier-POP3, Courier-IMAP), so that Courier can authenticate against the same MySQL database Postfix uses. The resulting Postfix server is capable of SMTP-AUTH and TLS and quota. Passwords are stored in encrypted form in the database. In addition to that, this tutorial covers the installation of Amavisd, SpamAssassin and ClamAV so that emails will be scanned for spam and viruses. I will also show how to install SquirrelMail as a webmail interface so that users can read and send emails and change their passwords. read more...
mail this link | permapage | score:8529 | -falko, March 3, 2011

iRedMail 0.6.1: Open Source Mail Server with Postfix, Dovecot, Amavisd, ClamAV, SpamAssassin, RoundCube on Ubuntu 10.04

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iRedMail is a shell script that lets you quickly deploy a Open Source Mail Server solution in less than 2 minutes. This tutorial shows how to set up a mail server with Postfix, Dovecot, Amavisd, ClamAV, SpamAssassin, and RoundCube with the help of iRedMail on Ubuntu 10.04. read more...
permapage | score:8519 | -falko, October 6, 2010

Postfix Active Directory authentication on CentOS 5.x

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This document describes how to integrate Postfix/Dovecot with Microsoft Active Directory on CentOS 5.x, and you can manage mail users in Microsoft Active Directory. You will learn how to enable Postfix to look up email addresses in Active Directory and how to enable Dovecot to authenticate against Microsoft Active Directory. read more...
permapage | score:8421 | -falko, June 24, 2011

Monitor Postfix with Mailgraph and pflogsumm

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This article describes how you can monitor your Postfix mailserver with the tools Mailgraph and pflogsumm. Mailgraph creates daily, weekly, monthly, and yearly graphs of sent, received, bounced, and rejected emails and also of spam and viruses, if SpamAssassin and ClamAV are integrated into Postfix. These graphs can be accessed with a browser, whereas pflogsumm ("Postfix Log Entry Summarizer") can be used to send reports of Postfix activity per email. read more...
permapage | score:8389 | -falko, July 5, 2006

Debian Postfix mail server setup

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Postfix is an attempt to provide an alternative to the widely-used Sendmail program. Postfix attempts to be fast, easy to administer,and hopefully secure, while at the same time being sendmail compatible enough to not upset your users.This tutorial will explain how to setup mail server with Postfix + Dovecot + SASL + Squirrel Mail. read more...
permapage | score:8388 | -gg234, March 14, 2008

Linux groupware server with Group-Office, Postfix, Dovecot

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In this howto I will explain how you can set up a groupware server using the Debian Linux operating system, Group-Office for managing the mailboxes and groupware functions like e-mail, shared calendars, file sharing etc., Postfix with virtual accounts in MySQL, Dovecot IMAP, SpamAssassin spam filter, and a vacation perl script that will handle out-of-office replies. read more...
permapage | score:8386 | -falko, March 1, 2009
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