Spam & Filtering

Tutorials on filtering unwanted messages, preventing spam, and keeping your email environment secure.

Articles

How to Determine the Source of Spam and Reduce It

This guide helps you work out where unwanted spam reaching your mailbox is actually coming from,...

How to Enable BoxTrapper in cPanel

BoxTrapper is a challenge-response spam filter in cPanel. When it is enabled on an email address,...

How to Forward an Email as an Attachment

When investigating spam, phishing, or suspicious email activity, the Noiz support team will often...

How to Identify Spam and Phishing Emails

Phishing and spam emails are one of the most common ways that fraudsters attempt to steal...

How to Enable Apache SpamAssassin and Spam Box in cPanel

Apache SpamAssassin is an automated mail filter that scores each incoming message and flags the...

How to Create a Global Email Filter in cPanel

You cannot stop spam reaching the mail server entirely, but you can decide what happens to it...

How to Edit a Global Email Filter in cPanel

Global Email Filters in cPanel apply mail-handling rules to every email account on your cPanel...

How to Delete a Global Email Filter in cPanel

This guide shows you how to remove a Global Email Filter (also called an account-level filter)...

How to Create a User-Level Email Filter in cPanel

You cannot stop spam reaching your mailbox entirely, but you can decide what happens to it once...

How to Edit a User-Level Email Filter in cPanel

A user-level email filter in cPanel sorts, redirects, or discards messages for a single email...

How to Delete a User-Level Email Filter in cPanel

This guide shows you how to remove a user-level email filter in cPanel. A user-level filter...