Help & Support

CPU dependencies for MailCleaner-MachineLearning Module

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

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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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Full Whitelist

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

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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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MailCleaner on Amazon Web Services (AWS)

**French version below / version fran├žaise ci dessous:** https://support.mailcleaner.net/boards/3...

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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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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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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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MailCleaner Network configuration

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

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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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Watchdogs

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

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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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How to resolve mail spoofing problems

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

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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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Monitoring MailCleaner with SNMP

Setting up MailCleaner external monitoring via SNMP. ## How MailCleaner is providing monitoring ...

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MailCleaner InfoBox - The new way to communicate

Dear Customers, we published a new InfoBox intended to facilitate the communication between you,...

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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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Getting the summary reports more frequently than daily

MailCleaner sends summaries about the mail caught in spam filters per day, week or month. If you...

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Remove a node from cluster

# Preparation Fist of all, you have to remove this node from your domain's MX record. Be sure th...

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SNMP Shell Script

This is a shell script provided by the community in order to checks the MailCleaner overall statu...

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Logs analyze based on tracing tool

~~~ We are getting way to many false positives. How can I adjust the spam filter agreesive level....

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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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Quarantine report configuration

If you think your users dont get the quarantine message the way they should, here is how to inves...

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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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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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Exim queue management

> **State: Draft** The short way: It is simply Exim MTA queue management with some specificities...

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Having quarantine report more frequent than daily

MailCleaner's policy is to deliver the quarantine report at max daily. In fact we think that is m...

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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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MailCleaner Newsletter Module (FR)

English version: https://support.mailcleaner.net/boards/3/topics/32-mailcleaner-newsletter-module...

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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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I am getting blacklisted

You have been blacklisted and you want to know why. The first thing to check is for an unusual a...

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Spectre - Meltdown

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

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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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Configuration > Anti-Spam > global settings

~~~ Trusted IPs/Networks ~~~ The syntax is standard CIDR notation, such as 192.168.1.0/24, one I...

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