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In some cases spambots may use a technique where the "SMTP From:" is different from "Sender" to mask the spoofed messages. See the example of SMTP session: 220 127.0.0.1 ESMTP IceWarp 10.4.5; Thu, 04 Apr 2013 09:59:04 +0200 helo mail.yourdomain.com ...
_OS: Windows/Linux; IceWarp Server Version: 11/10_ This article describes how to customize the Challenge Response message and its confirmation URL's in case of multidomain configuration. The Challenge Response section is found under ANTI-SPAM > QUARANTI...
_OS: Windows/Linux; IceWarp Server Version: 11/10_ By Default users will be defined to use, or not use, the spam folder by the Anti-Spam engine. It is possible to set these settings at an individual level by following the steps below. * From the admi...
_INTRODUCTION_ Reverse DNS is another way of fighting spam. It allows other servers to check the authenticity of your server. _HOW TO_ * You will need to know your IP address. You can look up your IP address using the _IPCONFIG _command within a W...
_OS: Windows/Linux; IceWarp Server Version: 11/10_ _INTRODUCTION_ There are times when the Anti-spam database can become corrupt, through one reason or another. It is, at this time that it is recommended that you start the Database from scratch. Howev...
DKIM INTRODUCTION DKIM stands for DomainKeys Identified Mail. DKIM creates a domain-level authentication framework for email by using private-key technology and DNS record to prove the source and content of a message. You can find general informatio...
ANTISPAM Introduction Spam is one of quickest expanding, discomfort making sector of illegal IT activities. Spammers react on each developed counter-measure in a short time so it's very difficult to write some How-To against spam. Take this document a...
ANTISPAM INTRODUCTION If you need to translate quarantine reports or customize that to company's politics, it's possible by editing "lang.xml" stored in _Icewarp root folderhtmlchallengelangen_ _ _ __ HOW TO * In mentioned file find line 19 w...
_OS: Windows; IceWarp Server Version: 11/10_ _ANTISPAM_ INTRODUCTION If you run into an issue where Quarantine reports are not being delivered, use the screenshots below to make sure you have the correct options enabled. SOLUTION * Make sure t...
ANTISPAM INTRODUCTION If you have noticed the time stamp being off when viewing spam reports it might mean PHP is set with the incorrect Time Zone. SOLUTION To correct the Time Zone, please follow the steps below. * Navigate to the /Ice...
ANTISPAM INTRODUCTION An increasingly common way for senders to send spam is to use the recipients domain name, or e-mail address as the FROM address in the sent e-mail. Since the sender is a local domain account this will bypass most anti-spam ...
AntiSpam INTRODUCTION In order to determine why the AntiSpam engine is not working, you will need to look at the following: * Make sure your license has Anti-spam as registered. * Make sure the Anti-spam database is working. The easiest way t...