Help & Support

Full Whitelist

# Full Whitelist The full whitelist feature allows mails to bypass all forms of filtering. Unlik...

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VMWareTools for MailCleaner

## Information Enable VMWareTools for MailCleaner server with **open-vmware-tools** and **open-vm...

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Number of users / Billing mailbox / Callout

Your MailCleaner statistics doesn't display the correct number of mailbox used? Don't panic ! Th...

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Exim 4.94 Upgrade

There have been disclosures made for several critical vulnerabilities with the Exim MTA which is ...

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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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SpamC score adaptation

This documentation aims to show you how to adapt a SpamC score per domain or even per mailbox. If...

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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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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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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...

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SPF explanation

First thing, if you check this feature and get a message from a domain that doesn't have a SPF, m...

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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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CPU dependencies for MailCleaner-MachineLearning Module

# CPU dependencies for MailCleaner-MachineLearning Module CPUs have different sets of instructio...

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White / Black -lists per domain restrictions

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

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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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Ciphers support

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

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Watchdogs

MailCleaner Enterprise Edition has a number of Watchdogs which report common errors to MailCleane...

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Back scattering

This is rare spam attack. The spammers are faking error messages. For example if you send a real...

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Fail2Ban

| **Note** : How to activate fail2ban is describe below in this document | --- | ----- # Fail2b...

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Log mails subjects and/or attachments names

By default, MailCleaner doesnt log mails subjects nor the attachment names. This is due to the fa...

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How to configure a valid certificate in MailCleaner

# How to configure a valid certificate in MailCleaner By default, MailCleaner uses a self-signed...

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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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Too much VIRUS/Malwares/Trojans pass through MailCleanner

Hello, PLEASE verify first: message#35 because this issue is normally solved ---------------- ...

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MailCleaner Newsletter Module

MailCleaner includes a module dedicated to “Newsletters Detection”. It is really important you f...

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How to resolve mail spoofing problems

To avoid mail spoofing (forged mails), you can use authentication this way: 1) *(OPTIONNAL !!! : ...

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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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How to create a ticket with all informations

Minimizing respond time by providing essential information at ticket creation really improve our ...

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How to report a wrong analyze

Hello, MailCleaner was designed as community and collaborative anti-spam software. To be more pr...

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DNS resolver for MailCleaner

## How to configure DNS resolver for MailCleaner. | **WARNING** : Don't use public DNS (i.e Goog...

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Minimum requirements

For production environment, make sure that your hardware meets the minimum requirements: * 2 CPU...

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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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Auto-configuration

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

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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...

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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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MailCleaner support - Missing keys

Our ssh public keys are present on your MailCleaners servers so that we can provide you with supp...

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LDAPS for Microsoft Exchange

# Notice Starting from sometime in March of 2020, Microsoft is enforcing encryption for LDAP con...

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MailCleaner on Amazon Web Services (AWS)

**French version below / version française ci dessous:** https://support.mailcleaner.net/boards/3...

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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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Exception lists / Sender Rules

# How Sender Rules Work ## What Sender Rules exist There are a variety of rules that can be cre...

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Ticketing Workflow

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

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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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Newsletter issues

- a newsletter was quarantined despite the domain being configured in "Allow Newsletters by defau...

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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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HTML controls whitelist

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

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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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SPF Sender Policy Framework

Using SPF to trust your email partners. ## Resume SPF allows a domain to provide a list of IPs ...

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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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Greylisting Configuration

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

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How to set up RBLs

Hello, RBLs are Real time Black Lists. That is to say several different entities over the world ...

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SPF configuration

SPF is a very usefull tool to help fighting versus spams and phishings, we strongly recommand to ...

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