Anti-Spam/Virus

Want to support HowtoForge? Become a subscriber!
 

Spam Control For Postfix

Spam Control For Postfix

Spam is a major problem for anyone with a mail server. Many times, spam goes to email addresses that don't exist. But, it still is hitting your server even if it isn't delivered. Other times, a users inbox will be overflowing with annoying messages about Viagra, hookers, free software, and whatever else. Below is a solution. It's an ongoing accumulation of my efforts to stop spam to the best of my abilities. So far, it has a 97% success rate with over 20,000 emails (spam and ham, alike) processed.

Setting Up A Mail Server Using Exim4, Clamav, Dovecot, SpamAssassin And Many More On Debian Lenny

Setting Up A Mail Server Using Exim4, Clamav, Dovecot, SpamAssassin And Many More On Debian

This howto describes one way to build a scalable, secure, full-featured mail platform. It offers virtual hosting of mailboxes in maildir format with support for quotas and server-side filtering, domain aliasing, address aliasing, address forwarding, catchall addresses. Relaying is secured with STARTTLS and SMTP-AUTH. Incoming mails are checked for viruses, spam, and checked against SPF policy and DNSBL.

iRedMail 0.7.0: Open Source Mail Server With Postfix, Dovecot, Amavisd, ClamAV, SpamAssassin, RoundCube On Ubuntu 10.04

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

iRedMail is a shell script that lets you quickly deploy a Open Source Mail Server solution in less than 2 minutes.

iRedOS-0.6.0: Open Source Mail Server With Postfix, Dovecot, Amavisd, ClamAV, SpamAssassin, RoundCube

iRedOS-0.6.0: Open Source Mail Server With Postfix, Dovecot, Amavisd, ClamAV, SpamAssassin, RoundCube

iRedMail is a shell script that lets you quickly deploy a Open Source Mail Server solution in less than 2 minutes. iRedOS is a customized CentOS 5.5 distribution, where e unnecessary packages were removed. It ships with the lastest version of iRedMail (iredmail0.6.0); it lets you install iredmail more quickly and smooth.

Installing Maia Mailguard On Debian Lenny (Virtual Users/Domains With Postfix/MySQL)

Installing Maia Mailguard On Debian Lenny (Virtual Users/Domains With Postfix/MySQL)

This guide explains how to install Maia Mailguard, a spam and virus management system, on a Debian Lenny mailserver. Maia Mailguard is a web-based interface and management system based on the popular amavisd-new email scanner and SpamAssassin. Written in Perl and PHP, Maia Mailguard gives end-users control over how their mail is processed by virus scanners and spam filters, while giving mail administrators the power to configure site-wide defaults and limits.

Virtual Users And Domains With Postfix, Courier, MySQL And SquirrelMail (Fedora 13 x86_64)

Virtual Users And Domains With Postfix, Courier, MySQL And SquirrelMail (Fedora 13 x86_64)

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.

Virtual Users And Domains With Postfix, Courier, MySQL And SquirrelMail (Ubuntu 10.04)

Virtual Users And Domains With Postfix, Courier, MySQL And SquirrelMail (Ubuntu 10.04)

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.

Fight Image Spam With FuzzyOCR And SpamAssassin On Fedora 12

Fight Image Spam With FuzzyOCR And SpamAssassin On Fedora 12

This tutorial describes how to scan emails for image spam with FuzzyOCR on a Fedora 12 server. FuzzyOCR is a plugin for SpamAssassin which is aimed at unsolicited bulk mail containing images as the main content carrier. Using different methods, it analyzes the content and properties of images to distinguish between normal mails (ham) and spam mails. FuzzyOCR tries to keep the system load low by scanning only mails that have not already been categorized as spam by SpamAssassin, thus avoiding unnecessary work.

Fight Image Spam With FuzzyOCR And SpamAssassin On Debian Lenny

Fight Image Spam With FuzzyOCR And SpamAssassin On Debian Lenny

This tutorial describes how to scan emails for image spam with FuzzyOCR on a Debian Lenny server. FuzzyOCR is a plugin for SpamAssassin which is aimed at unsolicited bulk mail containing images as the main content carrier. Using different methods, it analyzes the content and properties of images to distinguish between normal mails (ham) and spam mails. FuzzyOCR tries to keep the system load low by scanning only mails that have not already been categorized as spam by SpamAssassin, thus avoiding unnecessary work.

Fight Image Spam With FuzzyOCR And SpamAssassin On Ubuntu 9.10

Fight Image Spam With FuzzyOCR And SpamAssassin On Ubuntu 9.10

This tutorial describes how to scan emails for image spam with FuzzyOCR on an Ubuntu 9.10 server. FuzzyOCR is a plugin for SpamAssassin which is aimed at unsolicited bulk mail containing images as the main content carrier. Using different methods, it analyzes the content and properties of images to distinguish between normal mails (ham) and spam mails. FuzzyOCR tries to keep the system load low by scanning only mails that have not already been categorized as spam by SpamAssassin, thus avoiding unnecessary work.

first page
previous page
4
...
next page
last page
XML feed
"Facebook" is a registered trademark of Facebook, Inc. All rights reserved.