Help & Support
Manage quarantines in Exchange - O365 - Outlook
# Manage quarantines in Exchange - O365 - Outlook If you do not want to manage quarantines on Ma...
Reindex Log Files
# Work in Progress Script is not published yet. ## Purpose MailCleaner has a script at `/usr/m...
Cloning a 2016 version of MailCleaner to a 2019 version
If you have a 2016.xx version of MailCleaner (or earlier) and want to migrate it to our latest ve...
Extended SPF
The standard use of SPF is described in > https://support.mailcleaner.net/boards/3/topics/64-spf...
Disabling FuzzyOCR module for Spamassassin
## Information FuzzyOCR is a SpamAssassin module which allows text detection inside pictures. ##...
MailCleaner API Documentation
Download the **mailcleaner-api.tar.gz** and open the **index.html** file
Inserting black/white lists in bulk
Our advice on black or whitelists is to use them as little as possible. In our opinion they shoul...
Fail2Ban
# Fail2ban Usage in MailCleaner <hr/> *Jump straight to [`unban`](#Fail2Ban-management-command)...
Cloning the same MailCleaner
This procedure **DOES NOT** apply to creating an extra node for the cluster. These instructions a...
Bash vulnerability
MailCleaner will be automatically patched very soon regarding this vulnerability. However, pleas...
Newsletter marked with "?Spam" tag
There is no unique tag for newsletters, so if you don't want the **{spam?}** tag you need to set ...
Back scattering
This is rare spam attack. The spammers are faking error messages. For example if you send a real...
Installation of MailCleaner options or add-ons
### Introduction In order to make your MailCleaner options installation easier, we provided an i...
White list… why to avoid using it.
http://www.mailcleaner.net/antispam/documentations/whitelist.html See also: message#10
Kernel Update
The current version of MailCleaner originally shipped with a rather old version of the Linux kern...
Ciphers support
Some of you are wondering why MailCleaner is supporting weak ciphers. We do so to propose the max...
SNMP Shell Script
This is a shell script provided by the community in order to checks the MailCleaner overall statu...
Newsletter issues
- a newsletter was quarantined despite the domain being configured in "Allow Newsletters by defau...
Exim 4.94 Upgrade
There have been disclosures made for several critical vulnerabilities with the Exim MTA which is ...
MailCleaner Demo Server Configuration
## Access to MailCleaner Demo (reference configuration) Some customers report that this is diffi...
How to resolve mail spoofing problems
To avoid mail spoofing (forged mails), you can use authentication this way: 1) *(OPTIONNAL !!! : ...
Remove a node from cluster
# Preparation Fist of all, you have to remove this node from your domain's MX record. Be sure th...
RBLs
# What are RBLs RBLs are "Real time Blacklists/Blocklists" This is to say that it is mechanism ...
Is there a way to whitelist addresses for outbound messages?
The feature to whitelist an address for outbound messages does not currently exist. This feature...
Advantages of the MailCleaner solution with Microsoft Office 365
### Newsletters detection function MailCleaner has a newsletters detection feature allowing users...