Help & Support

Repair a database

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

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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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GitHub Branches

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

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Monitoring MailCleaner with SNMP

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

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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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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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MailCleaner sur Amazon Web Services (AWS) FR

## VERSION FRANÇAISE: Bienvenue sur l'article MailCleaner on AWS qui vous décrit les étapes néce...

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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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MailCleaner user interface customization

# User interface customization **WARNING:** When you customize your MailCleaner interfaces or r...

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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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MailCleaner Newsletter Module (FR)

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

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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 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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SPF configuration

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

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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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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 Network configuration

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

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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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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 API Documentation

Download the **mailcleaner-api.tar.gz** and open the **index.html** file

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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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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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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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Minimum requirements

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

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Newsletter issues

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

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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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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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ClamAV Unofficial Signatures

MailCleaner uses ClaimAV as the default antivirus software when scanning messages. There is a bas...

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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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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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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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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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Exim 4.94 Upgrade

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

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Kernel Update

MailCleaner currently ships with a rather old version of the Linux kernel; version 3.16.0-11. As ...

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Kaspersky Anti-Virus

# Installation Please contact MailCleaner support to have the Kaspersky add-on option installed....

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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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ESET Anti-Virus

# Installation Please contact MailCleaner sales to get a trial license. When this is done, you ...

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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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Configuration of MailCleaner AntiSpam with Microsoft Office 365

# Office 365 From **Configuration->Domains** If you have not already created the domain, selec...

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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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Ciphers support

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

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MachineLearning

MailCleaner is currently in the processes of developing a new Anti-Spam filter module called Mach...

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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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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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[OPTION] Administration of Kaspersky AV

In addition to ClamAV with the latest commercial signatures, MailCleaner implements the famous K...

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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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Customizing the MailCleaner firewall

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

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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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Watchdogs

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

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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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