Help & Support

Spectre - Meltdown

Following the announcement of Spectre and Meltdown vulnerabilities, we have installed the latest ...

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max_input_vars

NOTE : this option has been changed to 3 000 entries so this workaround only applies if you alrea...

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Advantages of the MailCleaner solution with Microsoft Office 365

### Newsletters detection function MailCleaner has a newsletters detection feature allowing users...

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Kernel Update

# Out of Date IMPORTANT: Debian has recently shut down their repositories for Jessie. Any of the...

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Extended SPF

The standard use of SPF is described in > https://support.mailcleaner.net/boards/3/topics/64-spf...

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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 ...

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Configure a loadbalancing cluster

Create a MailCleaner Cluster is a major feature of MailCleaner. ## Installation First, install ...

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Freemail

Freemail is the name we give to big emails accounts providers. Those emails accounts dont require...

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White list… why to avoid using it.

http://www.mailcleaner.net/antispam/documentations/whitelist.html See also: message#10

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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...

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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...

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SMTP Long Lines

# Background The [SMTP specification](https://www.rfc-editor.org/rfc/rfc821) provides the protoc...

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GitHub Branches

# Notice Work-in-progress document discussing future MailCleaner development. The 'Legacy' model...

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Greylisting Configuration

Greylisting is a method of blocking spam, where The MTA temporarily fails incoming mail from an u...

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Auto-configuration

# Introduction **The auto-configuration is available only from version 2017.04 (MailCleaner on t...

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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...

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Fail2Ban

# Fail2ban Usage in MailCleaner Fail2Ban is a utility which does what it's name describes. With ...

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MailCleaner on Amazon Web Services (AWS)

## !!!!!! Actually MailCleaner is NOT available anymore on AWS ( 2023/06/15 ) **French version...

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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...

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Modifying Enterprise MailCleaner Source Code

MailCleaner Source Code is GPL, and easily available on your MailCleaner Virtual Appliance, for C...

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Repair a database

For checking the databases: ~~~ /usr/mailcleaner/bin/check_db.pl --mycheck # On master /usr/mail...

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Customizing the MailCleaner firewall

If you change the MailCleaner server's firewall rules with iptables directly, the changes will on...

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Customizing MailCleaner s web interface and summary reports

Modifying the user part is done trough those files : /usr/mailcleaner/www/user/htdocs/login....

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RBLs

# What are RBLs RBLs are "Real time Blacklists/Blocklists" This is to say that it is mechanism ...

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SMTP Address Verification on Exchange Servers

Exchange does not natively reject invalid addresses during the SMTP connection. This can cause p...

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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...

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Reject domains containing capital letters

Domain names shouldnt have any capital letters in them according to RFCs so we decided to forbid ...

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Configuration > Anti-Spam > TrustedSources

TrustedSources anit-spam module. ## Enable all trusted path detection The "all trusted path det...

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Allow / Block -lists per domain restrictions

Those features involve a modification of the Incoming MTA. Using those will restrict the maximum...

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News about virus waves

**2016/10/29 11:00:00** Due to a recent virus wave containing infected **documents with macros**,...

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Installation of MailCleaner options or add-ons

### Introduction In order to make your MailCleaner options installation easier, we provided an i...

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MailCleaner Demo Server Configuration

## Access to MailCleaner Demo (reference configuration) Some customers report that this is diffi...

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Ciphers support

Some of you are wondering why MailCleaner is supporting weak ciphers. We do so to propose the max...

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Manage quarantines in Exchange - O365 - Outlook

# Manage quarantines in Exchange - O365 - Outlook If you do not want to manage quarantines on Ma...

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Hostlist Entry Formatting

In MailCleaner, there are several features which allow for policies on a hostname or IP basis. He...

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Ticketing Workflow

# About our ticketing process ## Language for requesting support Remember that our support team...

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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...

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HTML controls whitelist

Senders can be whitelisted against the HTML controls checks. This will affect all users of th Mai...

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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...

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Modifying the exim configuration files.

In MailCleaner, there are 3 exim servers. The first one, called Incoming queue is the one accept...

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SpamC rules signification

If an email was caught by SpamC, you may want to know what does a rulename mean. This document li...

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SMTP issues

- SPF prevented a mail to come in : this is most likely a configuration issue on the side of the ...

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Password protected archives : Manage a whitelist

When you set the feature > Configuration->Content Protection->Message format controls->Password ...

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Network error after MAC address change

After an hardware crash on hypervisor (VMWare, Hyper-v, KVM) all the network parameters are unset...

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DMARC Configuration and purging of reports

### DMARC (Domain-based Message Authentication, Reporting and Conformance) DMARC is a technical ...

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Cloning the same MailCleaner

This procedure **DO NOT** apply to create a extra node for the cluster. For emergency recovery, ...

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MailCleaner sur Amazon Web Services (AWS) FR

## !!!!!!Pour le moment MailCleaner n'est plus disponible sur AWS ( 2023/06/15 ) ## VERSIO...

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Password protected content blocked in content Quarantine

If you want to whitelist a sending domain towards this feature, please read : > https://support.m...

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Disabling FuzzyOCR module for Spamassassin

## Information FuzzyOCR is a SpamAssassin module which allows text detection inside pictures. ##...

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MailCleaner Network configuration

For more information, please refer to Chapter 1 of the MailCleaner installation manual: https://w...

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