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...
Manage quarantines in Exchange - O365 - Outlook
# Manage quarantines in Exchange - O365 - Outlook If you do not want to manage quarantines on Ma...
VMWareTools for MailCleaner
## Information Enable VMWareTools for MailCleaner server with **open-vmware-tools** and **open-vm...
[OPTION] Administration of Kaspersky AV
In addition to ClamAV with the latest commercial signatures, MailCleaner implements the famous K...
Disabling FuzzyOCR module for Spamassassin
## Information FuzzyOCR is a SpamAssassin module which allows text detection inside pictures. ##...
Logs analyze based on tracing tool
~~~ We are getting way to many false positives. How can I adjust the spam filter agreesive level....
MachineLearning
MailCleaner is currently in the processes of developing a new Anti-Spam filter module called Mach...
Ticketing Workflow
# About our ticketing process ## Language for requesting support Remember that our support team...
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...
How to configure a valid certificate in MailCleaner
# How to configure a valid certificate in MailCleaner By default, MailCleaner uses a self-signed...
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 ...
SMTP issues
- SPF prevented a mail to come in : this is most likely a configuration issue on the side of the ...
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...
DNS resolver for MailCleaner
## How to configure DNS resolver for MailCleaner. | **WARNING** : Don't use public DNS (i.e Goog...
HTML controls whitelist
Senders can be whitelisted against the HTML controls checks. This will affect all users of th Mai...
Advantages of the MailCleaner solution with Microsoft Office 365
### Newsletters detection function MailCleaner has a newsletters detection feature allowing users...
How to create a ticket with all informations
Minimizing respond time by providing essential information at ticket creation really improve our ...
max_input_vars
NOTE : this option has been changed to 3 000 entries so this workaround only applies if you alrea...
Full Whitelist
# Full Whitelist The full whitelist feature allows mails to bypass all forms of filtering. Unlik...
Exception lists / Sender Rules
# How Sender Rules Work ## What Sender Rules exist There are a variety of rules that can be cre...
MailCleaner Newsletter Module
MailCleaner includes a module dedicated to “Newsletters Detection”. It is really important you f...
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...
SPF explanation
First thing, if you check this feature and get a message from a domain that doesn't have a SPF, m...
SNMP Shell Script
This is a shell script provided by the community in order to checks the MailCleaner overall statu...
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...
Allow / Block -lists per domain restrictions
Those features involve a modification of the Incoming MTA. Using those will restrict the maximum...
Hostlist Entry Formatting
In MailCleaner, there are several features which allow for policies on a hostname or IP basis. He...
Modifying the exim configuration files.
In MailCleaner, there are 3 exim servers. The first one, called Incoming queue is the one accept...
Ciphers support
Some of you are wondering why MailCleaner is supporting weak ciphers. We do so to propose the max...
Watchdogs
MailCleaner Enterprise Edition has a number of Watchdogs which report common errors to MailCleane...
Back scattering
This is rare spam attack. The spammers are faking error messages. For example if you send a real...
Fail2Ban
| **Note** : How to activate fail2ban is describe below in this document | --- | ----- # Fail2b...
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...
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...
LDAPS for Microsoft Exchange
# Notice Starting from sometime in March of 2020, Microsoft is enforcing encryption for LDAP con...
Extended SPF
The standard use of SPF is described in > https://support.mailcleaner.net/boards/3/topics/64-spf...
Greylisting Configuration
Greylisting is a method of blocking spam, where The MTA temporarily fails incoming mail from an u...
Newsletter issues
- a newsletter was quarantined despite the domain being configured in "Allow Newsletters by defau...
Bash vulnerability
MailCleaner will be automatically patched very soon regarding this vulnerability. However, pleas...
SpamC rules signification
If an email was caught by SpamC, you may want to know what does a rulename mean. This document li...
I am getting blacklisted
You have been blacklisted and you want to know why. The first thing to check is for an unusual a...
SPF configuration
SPF is a very usefull tool to help fighting versus spams and phishings, we strongly recommand to ...
Installation of MailCleaner options or add-ons
### Introduction In order to make your MailCleaner options installation easier, we provided an i...
Password protected archives : Manage a whitelist
When you set the feature > Configuration->Content Protection->Message format controls->Password ...
Configuration of MailCleaner AntiSpam with Microsoft Office 365
# Office 365 ## Delivery server The destination server configured for your domain ( **Configura...
MailCleaner user interface customization
# User interface customization **WARNING:** When you customize your MailCleaner interfaces or r...
Spectre - Meltdown
Following the announcement of Spectre and Meltdown vulnerabilities, we have installed the latest ...
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...
RBLs
# What are RBLs RBLs are "Real time Blacklists/Blocklists" This is to say that it is mechanism ...
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...