Postfix

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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.

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.

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.

Virtual Users And Domains With Postfix, Courier And MySQL (Mandriva 2008.0)

Virtual Users And Domains With Postfix, Courier And MySQL (Mandriva 2008.0)

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 (quota is not built into Postfix by default, I'll show how to patch your Postfix appropriately). Passwords are stored in encrypted form in the database (most documents I found were dealing with plain text passwords which is a security risk). In addition to that, this tutorial covers the installation of Amavisd, SpamAssassin and ClamAV so that emails will be scanned for spam and viruses.

Virtual Users And Domains With Postfix, Courier And MySQL (Ubuntu 6.06 LTS)

Virtual Users And Domains With Postfix, Courier And MySQL (Ubuntu 6.06 LTS)

This document describes how to install a mail server based on Postfix 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 (quota is not built into Postfix by default, I'll show how to patch your Postfix appropriately). Passwords are stored in encrypted form in the database (most documents I found were dealing with plain text passwords which is a security risk).

How To Automatically Add A Disclaimer To Outgoing Emails With alterMIME (Postfix On Debian Etch)

How To Automatically Add A Disclaimer To Outgoing Emails With alterMIME (Postfix On Debian Etch)

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 Etch.

How To Configure ISP Mail Server With Virtual Users/Domain On Centos 4.5 Using Postfix, Dovecot, MySQL, phpMyAdmin, TLS/SSL

How To Configure ISP Mail Server With Virtual Users/Domain On  Centos 4.5 Using Postfix, Dovecot, MySQL, phpMyAdmin, TLS/SSL

This tutorial describes how to set up a mail server where Postfix is the SMTP service, and Dovecot provides IMAP and POP services. The users are virtual and user information is stored in a MySQL database.

Virtual Users And Domains With Postfix, Courier And MySQL (CentOS 5.1)

Virtual Users And Domains With Postfix, Courier And MySQL (CentOS 5.1)

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 (quota is not built into Postfix by default, I'll show how to patch your Postfix appropriately). Passwords are stored in encrypted form in the database (most documents I found were dealing with plain text passwords which is a security risk). In addition to that, this tutorial covers the installation of Amavisd, SpamAssassin and ClamAV so that emails will be scanned for spam and viruses.

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