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PUBLIC MARKS from camel with tags mail & server

2008

Howto: ISP-style Email Server with Debian-Etch and Postfix 2.3

(via)
The configuration described here is not very complicated but still needs to be done carefully. You are expected to have at least basic knowledge of: * MySQL (creating a database, granting access to users, basic SQL queries) * SMTP (what it is and what a basic SMTP dialog looks like) * POP3, IMAP (what they do and what the differences are) * basic Postfix configuration (understand the default settings in your main.cf, have read through the basic configuration document and know that your mail log file is at /var/log/mail.log) * Debian/Linux (general system administration, using a text editor, reading log files)

Drupal Postfix Integration Under Ubuntu 8.04 (Hardy) | HowtoForge - Linux Howtos and Tutorials

his document is derived from Christoph Haas’ tutorial “Howto: ISP-style Email Server with Debian-Etch and Postfix” (http://workaround.org) and Falko Timme’s tutorial “Virtual Users And Domains With Postfix, Courier, MySQL And SquirrelMail (Ubuntu 8.04 LTS)” (http://www.howtoforge.com). The associated Mailfix Drupal module must be installed as part of this tutorial. It will guide you through the necessary steps to configure a Drupal driven Mail server. Provided features: * Drupal managed email accounts * Support for virtual domains * Automatic forwarding * Postfix quota support * Silent BCC monitoring * Other features: anti-spam, anti-virus

LinuxMagic.com - Opensource/magicmail/magic-smtpd/magic-smtpd

MAGIC-SMTPD is a drop in replacement for Dan Bernsteins qmail-smtpd, and was originally designed to be part of the LinuxMagic Magic Mail Server. This OpenSource version has been released to allow others to benefit from it's anti-spam components, and valid user checking to reduce server loads and spam volumes. It is designed to support stock qmail installations, qmail/vpopmail installations, as well as having database support. Designed for ISP service, this will work for all mail servers large and small. Comments are welcome. Support for other mailers is expected in the future. Complete support packages are also available.

Tentakel to execute commands on multiple Linux or UNIX Servers

Many times, you want to execute a command not only on one server, but also on several servers. For example, find out * Version of kernel * Version of Apache web server * Update static html or images files on all web servers via rsync * Find out user information, server information, memory usage etc * Security/patch checking tentakel I have already covered how to execute commands on multiple Linux or UNIX servers via shell script. The disadvantage of script is commands do not run in parallel on all servers. However, several tools exist to automate this procedure in parallel. With the help of tool called tentakel, you run distributed command execution. It is a program for executing the same command on many hosts in parallel using ssh (it supports other methods too). Main advantage is you can create several sets of servers according requirements. For example webserver group, mail server group, home servers group etc. The command is executed in parallel on all servers in this group (time saving). By default, every result is printed to stdout (screen). The output format can be defined for each group.

Mail Avenger

Mail Avenger is a highly-configurable, MTA-independent SMTP server daemon. It lets users run messages through filters like ClamAV and SpamAssassin during SMTP transactions, so the server can reject mail before assuming responsibility for its delivery. Other unique features include TCP SYN fingerprint and network route recording, verification of sender addresses through SMTP callbacks, SPF (sender policy framework) as a general policy language, qmail-style control over both SMTP-level behavior and local delivery of extension addresses, mail-bomb protection, integration with kernel firewalls, and more.

smtp-delay plug-in for qmail

smtp-delay is an add-on/plug-in intended for use with qmail. It was written primarily to add banner delays and antipipelining to qmail. These two features are known to be able to block certain types of spam and virus mail sent through non-rfc-compliant SMTP engines. When I looked around for programs to add this functionality to qmail, I found only one such program, and didn't like the way it was done. BTW...I have the same objections to the way its done in sendmail 8.13.x. Since banner delays (the server pausing for some time before issuing an SMTP banner) cause every SMTP connection to take longer, I thought it would be a good idea to somehow exempt "legitimate" mail servers...or at least not subject them to long banner delays. So I decided to tune the banner delay time based on the connecting IP's reverse DNS. IPs with no rDNS get treated the worst (longest banner delay). IPs with rDNS matching a regex intended to detect dynamic/end-user IPs get a moderate delay. All other IPs get a very short banner delay...just long enough to see if they immediately pipeline (send SMTP commands before the banner's been sent). The original intent for smtp-delay was that it should be run before rblsmtpd, and simply set the RBLSMTPD environment variable if applicable, letting rblsmtpd issue the 4xx response. Pretty early on, I realized smtp-delay should be able to run standalone (without dependence on rblsmtpd to do its talking) and issue a 4xx response on its own. Lately, the spam load against our mail cluster has gotten so bad that I've started running smtp-delay after rblsmtpd, based on the idea that there's no point waiting out a long banner delay holding an open socket to an IP we have no intention of accepting mail from anyway. This reduced our concurrency by about 20%.

Throttling qmail SMTP receive bandwidth | www.enchantedage.com

I wrote the program "throttle.c," which you can insert into the tcpserver chain of commands for a qmail smtpd server. It takes one argument: the number of kilobytes per second to let through on the incoming file descriptor. Throttle does not throttle the outgoing file descriptor, because that's usually just status from your mail server. Additionally, throttle will set an alarm, so that any session longer than 15 minutes will expire and disconnect. This affords some amount of protection against lingering sessions that eat up your parallelism limit; I've seen such sessions from presumably trojaned DSL machines connecting to the mail server to send spam.

Z-Push - open source push technology

Mobile data synchronization is becoming increasingly important for many people, and various standards have arisen to perform this two-way copying 'over-the-air'. The most important platforms that can do wireless synchronisation are ActiveSync that is used to communicate with Exchange Server and Research-in-Motion's BlackBerry Enterprise Server (BES). Both solutions require proprietary server-side software from the vendor, therefore limiting the use of PIMs (personal information managers) to either wired synchronization or irritating 3rd-party synchronizers requiring the installation of client software on the PDA.

Artica for Postfix, a full Postfix Management console

by 1 other
You are not a Linux expert, Artica for Postfix allows you to install a full solution by one single command line: * Postfix: Main MTA * Kaspersky Anti-spam: powerfull Anti-spam provided by Kaspersky Inc * Kaspersky Anti-Virus * Bogofilter : Bayesian anti-spam * OpenLDAP: Database for main configuration and user management * emailrelay: little SMTP server (used as a content-filter) * SQLite library: zeroconf sql database engine with high perfomances. * Cyrus-imap: powerfull MDA System * Procmail: MDA Filter * Fetchmail: Email retreival * DnsMasq:DNS forwarder and DHCP server * Mailman:Mailing List manager * Sieve: End-user mail filters * Yorel script: Statistics of yorel * QueueGraph: Statistics for postfix * MailGraph: Statistics for postfix * AWSTats and geoip plugin: Statistics set for postfix * renattach: attachments filter

Spam Links - spam filter server addons

Filtering add-ons to specific mail server applications and instructions on how to filter spam with specific servers. Remember that spam filters are also available that work with any mail server on a particular operating system, and that some spam filters can be found that function on any operating system, with any mail server.

2007

nginx

by 4 others
nginx [engine x] is a HTTP server and mail proxy server

Mail server Debian Etch Postfix Virtual PostfixAdmin MySQL Courier Maildrop Amavisd-new SquirrelMail MailZu

by 1 other
This HOWTO enables you to build a complete open source turn-key email server in a matter of hours (instead of days or weeks). In one sense it is more like one big script that requires intervention. It can be considered a howto if one reads the contents of each patch and script I provide.

ASSP With Embedded ClamAV Integrated Into Postfix With Virtual Users And Domains | HowtoForge - Linux Howtos and Tutorials

This document describes how to integrate ASSP (Anti-Spam SMTP Proxy) with embedded ClamAV into a mail server based on Postfix featuring virtual users and domains, i.e. users and domains that are in a MySQL database.

eBox Platform » EBOX PLATFORM

by 6 others
eBox management tool will effectively and easily help you managing the advanced services for your corporate network. Designed with extensibility in mind it offers, among others, these modules: Firewall, Transparent proxy, Content filter, NTP Server, Users and groups, Mail server

The Perfect Setup - Debian Etch (Debian 4.0) | HowtoForge - Linux Howtos and Tutorials

This tutorial shows how to set up a Debian Etch (Debian 4.0) based server that offers all services needed by ISPs and hosters: Apache web server (SSL-capable), Postfix mail server with SMTP-AUTH and TLS, BIND DNS server, Proftpd FTP server, MySQL server, Courier POP3/IMAP, Quota, Firewall, etc. This tutorial is written for the 32-bit version of Debian Etch, but should apply to the 64-bit version with very little modifications as well.

DomLinux - VMTN Virtual Appliances

DomLinux a tiny embed system, full function MailServer antiVirus antiSpam MailRecord FileServer WebServer , friendly web admin interface

2006

Postfix Mail Server Web interface,Frontend or GUI Tools -- Debian Admin

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. Postfix Admin Postfix Admin is a Web-based management tool for Postfix. It handles Postfix-style virtual domains and users that are stored in MySQL. It has support for over 20 languages. It was initially released in December of 2002.

Swift Mailer - A Pluggable PHP Mailing Library

by 9 others
Swift is a fully OOP Library for sending e-mails from PHP websites and applications. It does not rely on PHP's native mail() function which is known for using high server resources when sending multiple emails. Instead, Swift communicates directly with an SMTP server or a MTA binary to send mail quickly and efficiently. Swift is comparable to PHPMailer except that it implements an extremely flexible and innovative plugin system meaning you can get the most out of sending emails from your PHP applications. The interface for Swift is both tighter and more intuitive.

2005

Virtual Users And Domains With Postfix, Courier And MySQL (+ SMTP-AUTH, Quota, SpamAssassin, ClamAV) | HowtoForge - Linux Howtos and Tutorials

by 1 other (via)
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.

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