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Knowledgebase : Technical Help > IceWarp version 11 > Antispam
 

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 ...
NOTE:  following article is only for version prior 11.4.5, it is strongly recommended to trim utf8mb4 characters in db and convert back to utf8 prior upgrading to 11.4.5 and higher. Support for utf8mb4 will be fully implemented since version 12.0.1 (onl...
To export all blacklisted addresses from your database via IceWarp Server Administration console: 1) connect the integrated SQL Manager with your Anti-Spam database 2) write your appropriet query: _SELECT * FROM SENDERS WHERE SNDAUTHORIZED = 0_ _(...
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...
SPF WORKAROUND SPF feature is implemented in Icewarp Mail Server as a part of the SpamAssassin in Icewarp AntiSpam. If you enable SPF it will modify SpamAssassin score for each message. There are three ways how the message can be evaluated against a S...
_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...