Search Results

This guide will walk you through installing, configuring and integrating Sophos Antivirus for Linux with Amavis to be used in conjunction with ClamAV. Install Sophos Antivirus for Linux First, download Sophos Antivirus for Linux from the link below. As of th...

Hermes SEG requires a listing of Internal Recipients in order to process incoming email and deliver that email to the correct recipient mailboxes which are located on an email server(s) which must be previously specified in the Gateway --> Relay Domains. The s...

If you have an Internal Recipient joe@domain.tld but you also want the email address joe.smoe@domain.tld to deliver email to joe@domain.tld, you would set up a virtual address of joe.smoe@domain.tld to deliver to joe@domain.tld. Please note, Virtual Recipients...

The Hermes SEG Perimeter Checks page allows you to set settings for any incoming email before they are even processed by the SMTP server or the rest of the subsystems such as the virus and spam filters . You can think of perimeter checks as a type of "front do...

A RBL (Real Time Block List) is a mechanism for determining the reputation of a sender IP address by looking up the sender IP through various RBLs that are configured in the system. RBL lookups are performed using DNS. The reputation of an IP is determined by ...

The IP & Network Override section will allow you to Permit or Deny specific IPs or Networks. The permit or deny action will occur at the perimeter check level. If the action is permit, then the perimeter checks will be effectively bypassed and the email will b...

The Sender Checks Bypass permits you to either Block or Allow sender email addresses or sender domains to specific Internal Recipients or entire Relay Domains. It's important to note that the Sender Checks occur AFTER the perimeter checks. For example, if you ...

This page is under construction.

Sender Policy Framework (SPF) is a simple email-validation system designed to detect email spoofing by providing a mechanism to allow receiving mail exchangers to check that incoming mail from a domain comes from a host authorized by that domain's administrato...

DomainKeys Identified Mail (DKIM) is a protocol that allows verifiable email transmission though the use of cryptographic authentication. This is accomplished through the use of private and public keys. The private key is stored on the sending email server so ...

The settings below control the behavior of the ClamAV antivirus engine. ClamAV is the default engine that comes pre-configured with Hermes SEG. Additional antivirus scanners can be installed such as Sophos but the settings below ONLY apply to ClamAV. Scan Ema...

The Hermes SEG default antivirus engine (ClamAV) is not very effective at detecting malware when  using only its own signatures. Therefore, 3rd party ClamAV signature feeds have been developed. Using the correct 3rd party signatures, ClamAV becomes extreme...

In this page, you can manage problematic Antivirus Signatures that cause too many false positives. Determining a problematic signature is as simple as looking at a blocked email’s headers which would yield the actual signature that was used to block the email...

NOTE: This section requires any saved changes to be applied by clicking the Apply Settings button on the bottom of the page. User Portal Address This is the address for the users to reach the User Self-Service Portal. This is the address Hermes SEG uses to g...

This page allows you to customize Spam filter tests scores to fit your needs. If you have problems with certain email getting tagged as Spam or Non-Spam because of a particular test not scoring properly and training the Bayes Database does not yield the result...

Pyzor is a collaborative, networked system to detect and block spam using digests of messages.Pyzor must be initialized before Hermes SEG can utilize it. Initialization of Pyzor should only have to be done once per system. Click on the Initialize Pyzor button...

Vipul's Razor is a distributed, collaborative, spam detection and filtering network. Vipul's Razor must be initialized before Hermes SEG can utilize it. Initialization of Vipul's Razor should only have to be done once per system. Clicking the Initialize Razor ...

Occasionally, the Bayes Database can become corrupted or poisoned due to bad database training or other factors. Please press the Clear Database button to clear your database in order to start fresh training your Bayes Database again (Figure 1). Figure 1