Linux Tutorials on the topic “postfix”

  • Virtual Users And Domains With Postfix, Courier, MySQL And SquirrelMail (Mandriva 2008.1)

    Author: Falko TimmeTags: , , Comments: 1

    Virtual Users And Domains With Postfix, Courier, MySQL And SquirrelMail (Mandriva 2008.1) 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 will also demonstrate the installation and configuration of Courier (Courier-POP3, Courier-IMAP), so that Courier can authenticate against the same MySQL database Postfix uses. 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.

  • Zimbra Collaboration Suite Open Source Edition On CentOS

    Author: christensen143Tags: , , Comments: 10

    Zimbra Collaboration Suite Open Source Edition On CentOS This tutorial shows how to set up Zimbra Collaboration Suite - Open Source Edition on CentOS. This tutorial covers installation of CentOS, dependencies for ZCS and setup of Split DNS when working behind a firewall. This tutorial is based on the way I set this server up and is only a suggestion. It carries no guarantees and it is highly suggested that you do this on a test server first to verify functionality. If you don't have a test server available you should download VMWare Server 1.0 and perform this tutorial on a test virtual server.

  • Virtual Users And Domains With Postfix, MailScanner, Mailwatch & MySQL On CentOS 5.1

    Author: o.meyerTags: , , , Comments: 0

    Virtual Users And Domains With Postfix, MailScanner, Mailwatch & MySQL On CentOS 5.1 This document describes how to customize Falko's "Virtual Users And Domains" - setup for CentOS 5.1 so that it works with MailScanner and Mailwatch. The resulting system provides a web interface (Mailwatch) where you can manage quarantined emails, train SpamAssassin, edit the white- and blacklist, view configuration files and the detailed MySQL database status ...

  • Automatically Add Disclaimers To Outgoing Emails With alterMIME On Fedora 8

    Author: o.meyerTags: , , Comments: 5

    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

    Author: topdogTags: , , Comments: 8

    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.

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

    ubuntu Author: volksmanTags: , , Comments: 1

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

    Author: Falko TimmeTags: Comments: 25

    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)

    Author: Falko TimmeTags: , , Comments: 1

    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.

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

    Author: Falko TimmeTags: , Comments: 25

    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.

  • Set Up Ubuntu-Server 6.06 LTS As A Firewall/Gateway For Your Small Business Environment

    Author: tychoTags: , , , , Comments: 2

    Set Up Ubuntu-Server 6.06 LTS As A Firewall/Gateway For Your Small Business Environment  This tutorial shows how to set up a Ubuntu 6.06 LTS server ("Dapper Drake") as a firewall and gateway for small/medium networks. The article covers the installation/configuration of services such as Shorewall, NAT, caching nameserver, DHCP server, VPN server, Webmin, Munin, Apache, Squirrelmail, Postfix, Courier IMAP and POP3, SpamAssassin, ClamAV, and many more.