Help & Support

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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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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VMWareTools for MailCleaner

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

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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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Disabling FuzzyOCR module for Spamassassin

## Information FuzzyOCR is a SpamAssassin module which allows text detection inside pictures. ##...

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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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MachineLearning

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

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Ticketing Workflow

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

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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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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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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 issues

- SPF prevented a mail to come in : this is most likely a configuration issue on the side of the ...

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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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DNS resolver for MailCleaner

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

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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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Advantages of the MailCleaner solution with Microsoft Office 365

### Newsletters detection function MailCleaner has a newsletters detection feature allowing users...

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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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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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Full Whitelist

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

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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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MailCleaner Newsletter Module

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

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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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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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SNMP Shell Script

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

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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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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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Hostlist Entry Formatting

In MailCleaner, there are several features which allow for policies on a hostname or IP basis. He...

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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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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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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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LDAPS for Microsoft Exchange

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

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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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Greylisting Configuration

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

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Newsletter issues

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

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Bash vulnerability

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

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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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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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SPF configuration

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

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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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Password protected archives : Manage a whitelist

When you set the feature > Configuration->Content Protection->Message format controls->Password ...

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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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MailCleaner user interface customization

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

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Spectre - Meltdown

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

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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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RBLs

# What are RBLs RBLs are "Real time Blacklists/Blocklists" This is to say that it is mechanism ...

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How to create custom SpamC rules

This documentation aims to show you how to adapt a SpamC score for all domains. If you want to ch...

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