Help & Support

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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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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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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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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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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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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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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Auto-configuration

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

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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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Spectre - Meltdown

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

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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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How to report to us an unfiltered spam message (false negative) or a legitimate email misclassified as spam (false positive)

WIP The MailCleaner development team maintains several real-time filtering databases. You can he...

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Configuration of MailCleaner AntiSpam with Microsoft Office 365

# Office 365 ## Delivery server The destination server configured for your domain ( **Configura...

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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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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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Whitelists

There is no global whitelist in MailCleaner. The feature called Whitelist will only prevent the f...

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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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I am getting blacklisted

You have been blacklisted and you want to know why. Running > zgrep -i relay /var/mailcleaner/l...

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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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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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Newsletter issues

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

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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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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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MailCleaner Network configuration

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

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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 Newsletter Module

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

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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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DNS resolver for MailCleaner

How to configure DNS resolver for MailCleaner. Flapping problem in MailCleaner, are often relate...

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Monitoring MailCleaner with SNMP

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

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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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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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MailCleaner Update process

Updates are automatic and checked every 15min by MailCleaner. * there's no update "announcement"...

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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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Exim queue management

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

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MailCleaner API Documentation

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

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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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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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DMARC Configuration and purging of reports

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

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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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Customizing the MailCleaner firewall

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

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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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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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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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MailCleaner Newsletter Module (FR)

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

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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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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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Bash vulnerability

MailCleaner will be automatically patched very soon regarding this vulnerability. However, pleas...

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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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White list… why to avoid using it.

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

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