Help & Support

How to release a mail blocked in dangerous content quarantine

If your MailCleaner is hosted by a MailCleaner Partner or by your company, just contact your IT a...

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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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HTML controls whitelist

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

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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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Modifying Enterprise MailCleaner Source Code

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

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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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LDAPS for Microsoft Exchange

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

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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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Extended SPF

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

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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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Ticketing Workflow

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

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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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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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Minimum requirements

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

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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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MailCleaner on Amazon Web Services (AWS)

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

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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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Exim queue management

The short way: It is simply Exim MTA queue management with some specificities all binary for exi...

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MailCleaner user interface customization

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

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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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Repair a database

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

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Newsletter issues

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

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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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CPU dependencies for MailCleaner-MachineLearning Module

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

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