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...
