Collax Mail Security

The Collax Mail Security module protects you from all risks that could damage your systems through E-Mail traffic. It especially looks out for viruses and spam that are then reliably removed.

The module can be used as a stand-alone unit for protection of any mail server. Alternatively, it can be used in combination with the Collax Communication Server module.

In order to keep the growing flood of unwanted E-Mail under control, it is important to be one step ahead of the spammers at all times. Spam mails are designed to circumvent spam filters. By combining several detection technologies, even spam mails that cunningly sneak past individual filters are intercepted.

Apart from the high spam detection rate, the Collax Mail Security module is characterized by a very low rate of E-Mail mistakenly identified as spam.

Additionally, the Collax Mail Security module features built-in basic virus protection and an application proxy for the mail traffic protocols.

The Collax Mail Security module can be used as a mail relay. In this capacity, it serves as a proxy for the mail traffic protocols SMTP (Simple Mail Transfer Protocol), IMAP (Internet Message Access Protocol), and POP3 (Post Office Protocol). As only data that comply with the respective protocol are transported, only E-Mail is transmitted over the connection. The Collax Mail Security module can easily be integrated in any network and offers optimum protection, e.g. for a Microsoft Exchange server.

The spam filter boasts an extremely high detection rate, along with a negligible rate of false positives.

The individual stages of the multi-stage filter are perfectly tuned to each other. The procedures determine probabilities as to whether a particular mail is spam. The combined evaluation of the probabilities ensures the reliable identification of spam.

E-Mail messages that seem to be spam are tagged and delivered to the mailboxes.

The tarpit emulation makes spammers believe they are confronted with a so-called tarpit. Tarpits are used to harm spammers. Meanwhile, spammers abort the transmission when they suspect the receiving mail server of being a tarpit.

Graylisting exploits the fact that spammers endeavor to send out large numbers of E-Mails within a short time. Unlike a regular mail server, they do not respond to the request to resend the mail after a few minutes.

Sender addresses frequently used for spam mail are recorded in realtime blackhole lists (RBL) and DNS blacklists (DNSBL). The lists, which are managed centrally and are therefore always up to date, are queried online.

The E-Mail partner is checked by forcing a client HELO identification. This procedure checks whether the sender has a normal E-Mail address.

The reputation filter uses the classification of a large network of participating users in order to distinguish spam from legitimate E-Mail.

Based on the properties of an E-Mail, the heuristics check the probability of spam. For this purpose, the mail contents are examined for various criteria, such as entries in header fields, too many HTML tags, or keywords. More than 800 heuristics are included in the assessment.

To circumvent detection methods, spammers often adapt their mails only slightly. The self-learning filter uses the insight from previously examined spam mail for identifying variants.

If staff members are to be enabled to influence the detection of spam, the trainable filter can be used. Mail stored in the "Spam" or "Ham" folders affect the calculated spam probability of future E-Mail.

The administrator can configure additional filters for header entries and attachments. In this way, certain file types (MIME and extensions) in attachments and certain header entries can be filtered directly.

An anti-virus filter for basic protection prevents the delivery of harmful code by E-Mail.

To use this module you must have one of the following installed:

Collax Platform Server
Collax Business Server

There is a hardware requirement for:

Two network interfaces (NIC)

Demo-System

The link bellow will take you to a demonstration system. This is a live running Collax Platform Server with the following modules installed on it:

Collax Communication
Collax Network Storage
Collax Web Application
Collax Mail Security
Collax Net Security
Collax Web Security
Collax Surf Protection
Collax E-Mail Archive

The system will refresh itself every hour so feel free to investigate the system. To enter the system your login credentials are:

Username: admin

Password: server2010

To enter the demo system, please click here:

Click here

Note:

As the demo server resets itself regularly it is possible that you make changes during the reset process. If this happens, obviously, nothing may happen. Also your changes will be cleared after an hour.

Also note that the link opens up in a new browser window.

Datasheet
Collax Mail Security	0.25 MB

Presentation
Introduction to Collax Mail Security	0.55 MB

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Demo-System

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