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Search results for Enhance Your Mail Server With ASSP (Anti-Spam SMTP Proxy)

FreeBSD

Some Vexim / Exim customizations

Post date: September 26, 2009, 11:09 Category: Software Views: 8141 Comments
Tutorial quote: How to apply the following changes to a Vexim mail server setup:
* Disable saving of passwords in clear text
* Tag spam in subject, not only in headers
* SMTP, POP and IMAP over SSL (multiple certificates/hosts)
* Option to automatically move spam to subfolders
* A shell script that parses folders and does some mainteance
* A Roundcube plugin that allows the users to edit their Vexim settings directly from the webmail settings page
Debian

Filtering PDF-/XLS-/Image-Spam With ClamAV (And ISPConfig) On Debian/Ubuntu

Post date: July 24, 2007, 02:07 Category: Security Views: 4200 Comments
Tutorial quote: There is currently a lot of spam where the spam information is attached as .pdf or .xls files, sometime also hidden inside a .zip file. While these spam mails are not easy to catch with e.g. SpamAssassin or a Bayes filter, the ClamAV virus scanner can catch them easily when it is fed with the correct signatures as ClamAV is built to scan mail attachments.
Debian

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

Post date: September 23, 2010, 11:09 Category: Installing Views: 3705 Comments
Tutorial quote: 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.
Debian

Spam filtering with Pyzor and SpamBayes

Post date: January 3, 2006, 04:01 Category: Security Views: 3717 Comments
Tutorial quote: Spam appears to be a fact of life for most of the online world at the moment. Here is how I personally handle the filtering of incoming mail, using a combination of Pyzor, SpamBayes and Procmail. These tools each integrate nicely, and work easily with my mail reader of choice: mutt.
Linux

Feed Your Virus Worries to a Clam

Post date: April 14, 2005, 13:04 Category: Network Views: 3485 Comments
Tutorial quote: Last week, we looked at how to set up SpamAssassin with Postfix, as part of a lean, mean, spam-killing gateway machine. This week we'll add an anti-virus scanner to our bubbling brew.
Debian

Fight Image Spam With FuzzyOCR And SpamAssassin On Debian Lenny

Post date: April 29, 2010, 14:04 Category: Installing Views: 3531 Comments
Tutorial quote: 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.
Ubuntu

Squid Proxy Server On Ubuntu 9.04 Server With DansGuardian, ClamAV, And WPAD

Post date: July 3, 2009, 11:07 Category: Installing Views: 7734 Comments
Tutorial quote: This tutorial will demonstrate how to set up a Squid Proxy server on Ubuntu 9.04 Server with DansGuardian (for content filtering) and ClamAV (for Virus scanning); in addition, we will set up Web Proxy AutoDetection (WPAD) through DHCP (in this case, the Windows Server 2003 DHCP server) or DNS so that the only configuration necessary on the client side is to check "Auto-detect proxy settings for this network" in Firefox or Internet Explorer. At the end of the tutorial, users will have a fully functional and secure proxy for HTTP access.
Debian

Fight Image Spam With FuzzyOCR And SpamAssassin On Debian/Ubuntu

Post date: February 15, 2007, 18:02 Category: Software Views: 4017 Comments
Tutorial quote: This tutorial describes how to scan emails for image spam with FuzzyOCR. 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.
CentOS

Mail Server Setup With Exim, MySQL, Cyrus-Imapd, Horde Webmail On Centos 5.1

Post date: February 21, 2008, 11:02 Category: Installing Views: 7615 Comments
Tutorial quote: This guide describes the installation and configuration of a mail system on Centos 5.1 with SELinux enabled for enhanced security. This system will be able to service HTTP, HTTPS, SMTP, TLS, SMTP-AUTH, IMAP, POP3 clients and is virtual enabled allowing more than one domain to be served from the system.
Solaris

Installing Postfix and Dovecot Under Opensolaris

Post date: August 17, 2009, 23:08 Category: Installing Views: 6009 Comments
Tutorial quote: Replace sendmail with this easy to install and configure system. Postfix and Dovecot provide a powerful and easy to manage mail system enabling SMTP, IMAP, and POP3. Also included is integration of the powerful spam killer Spamassassin.
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