Help & Support
Spectre - Meltdown
Following the announcement of Spectre and Meltdown vulnerabilities, we have installed the latest ...
max_input_vars
NOTE : this option has been changed to 3 000 entries so this workaround only applies if you alrea...
Advantages of the MailCleaner solution with Microsoft Office 365
### Newsletters detection function MailCleaner has a newsletters detection feature allowing users...
Kernel Update
# Out of Date IMPORTANT: Debian has recently shut down their repositories for Jessie. Any of the...
Extended SPF
The standard use of SPF is described in > https://support.mailcleaner.net/boards/3/topics/64-spf...
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 ...
Configure a loadbalancing cluster
Create a MailCleaner Cluster is a major feature of MailCleaner. ## Installation First, install ...
Freemail
Freemail is the name we give to big emails accounts providers. Those emails accounts dont require...
White list… why to avoid using it.
http://www.mailcleaner.net/antispam/documentations/whitelist.html See also: message#10
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...
How to create custom SpamC rules
This documentation aims to show you how to adapt a SpamC score for all domains. If you want to ch...
SMTP Long Lines
# Background The [SMTP specification](https://www.rfc-editor.org/rfc/rfc821) provides the protoc...
GitHub Branches
# Notice Work-in-progress document discussing future MailCleaner development. The 'Legacy' model...
Greylisting Configuration
Greylisting is a method of blocking spam, where The MTA temporarily fails incoming mail from an u...
Auto-configuration
# Introduction **The auto-configuration is available only from version 2017.04 (MailCleaner on t...
Low the scores linked to LOTS_OF_MONEY
If the mail flow of one (or several) of your users is impacted with our rules about LOTS_OF_MONEY...
Fail2Ban
# Fail2ban Usage in MailCleaner Fail2Ban is a utility which does what it's name describes. With ...
MailCleaner on Amazon Web Services (AWS)
## !!!!!! Actually MailCleaner is NOT available anymore on AWS ( 2023/06/15 ) **French version...
Retrieving the whitelist/blacklist/whitelist dedicated to Newsletters
You can get this information by connecting to your master server using SSH. Then connect to the m...
Modifying Enterprise MailCleaner Source Code
MailCleaner Source Code is GPL, and easily available on your MailCleaner Virtual Appliance, for C...
Repair a database
For checking the databases: ~~~ /usr/mailcleaner/bin/check_db.pl --mycheck # On master /usr/mail...
Customizing the MailCleaner firewall
If you change the MailCleaner server's firewall rules with iptables directly, the changes will on...
Customizing MailCleaner s web interface and summary reports
Modifying the user part is done trough those files : /usr/mailcleaner/www/user/htdocs/login....
RBLs
# What are RBLs RBLs are "Real time Blacklists/Blocklists" This is to say that it is mechanism ...
SMTP Address Verification on Exchange Servers
Exchange does not natively reject invalid addresses during the SMTP connection. This can cause p...
Not a spam ? How to request a filter adjustment
On the quarantine page: 1. Click on the filter adjustment request icon next to the message of int...
Reject domains containing capital letters
Domain names shouldnt have any capital letters in them according to RFCs so we decided to forbid ...
Configuration > Anti-Spam > TrustedSources
TrustedSources anit-spam module. ## Enable all trusted path detection The "all trusted path det...
Allow / Block -lists per domain restrictions
Those features involve a modification of the Incoming MTA. Using those will restrict the maximum...
News about virus waves
**2016/10/29 11:00:00** Due to a recent virus wave containing infected **documents with macros**,...
Installation of MailCleaner options or add-ons
### Introduction In order to make your MailCleaner options installation easier, we provided an i...
MailCleaner Demo Server Configuration
## Access to MailCleaner Demo (reference configuration) Some customers report that this is diffi...
Ciphers support
Some of you are wondering why MailCleaner is supporting weak ciphers. We do so to propose the max...
Manage quarantines in Exchange - O365 - Outlook
# Manage quarantines in Exchange - O365 - Outlook If you do not want to manage quarantines on Ma...
Hostlist Entry Formatting
In MailCleaner, there are several features which allow for policies on a hostname or IP basis. He...
Ticketing Workflow
# About our ticketing process ## Language for requesting support Remember that our support team...
Configure your Google account if using MailCleaner in front
This is a an extract of the official documentation of Google : source: https://support.google.com...
HTML controls whitelist
Senders can be whitelisted against the HTML controls checks. This will affect all users of th Mai...
How to configure MailCleaner on our cloud, when you got your login ?
Hello, You ll need to do at least these 3 things to make MailCleaner working, secure, and efficie...
Modifying the exim configuration files.
In MailCleaner, there are 3 exim servers. The first one, called Incoming queue is the one accept...
SpamC rules signification
If an email was caught by SpamC, you may want to know what does a rulename mean. This document li...
SMTP issues
- SPF prevented a mail to come in : this is most likely a configuration issue on the side of the ...
Password protected archives : Manage a whitelist
When you set the feature > Configuration->Content Protection->Message format controls->Password ...
Network error after MAC address change
After an hardware crash on hypervisor (VMWare, Hyper-v, KVM) all the network parameters are unset...
DMARC Configuration and purging of reports
### DMARC (Domain-based Message Authentication, Reporting and Conformance) DMARC is a technical ...
Cloning the same MailCleaner
This procedure **DO NOT** apply to create a extra node for the cluster. For emergency recovery, ...
MailCleaner sur Amazon Web Services (AWS) FR
## !!!!!!Pour le moment MailCleaner n'est plus disponible sur AWS ( 2023/06/15 ) ## VERSIO...
Password protected content blocked in content Quarantine
If you want to whitelist a sending domain towards this feature, please read : > https://support.m...
Disabling FuzzyOCR module for Spamassassin
## Information FuzzyOCR is a SpamAssassin module which allows text detection inside pictures. ##...
MailCleaner Network configuration
For more information, please refer to Chapter 1 of the MailCleaner installation manual: https://w...