Help & Support
Kernel Update
# Out of Date IMPORTANT: Debian has recently shut down their repositories for Jessie. Any of the...
SMTP issues
- SPF prevented a mail to come in : this is most likely a configuration issue on the side of the ...
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...
GitHub Branches
# Notice Work-in-progress document discussing future MailCleaner development. The 'Legacy' model...
LDAPS for Microsoft Exchange
# Notice Starting from sometime in March of 2020, Microsoft is enforcing encryption for LDAP con...
Using MailCleaner as an Outgoing Relay
It is possible to use MailCleaner as a relay for your domains' outgoing mail. You may wish to do ...
Reindex Log Files
# Work in Progress Script is not published yet. ## Purpose MailCleaner has a script at `/usr/m...
SPF explanation
First thing, if you check this feature and get a message from a domain that doesn't have a SPF, m...
RBLs
# What are RBLs RBLs are "Real time Blacklists/Blocklists" This is to say that it is mechanism ...
Full Whitelist
# Full Whitelist The full whitelist feature allows mails to bypass all forms of filtering. Unlik...
Exim queue management
The short way: It is simply Exim MTA queue management with some specificities all binary for exi...
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...
Freemail
Freemail is the name we give to big emails accounts providers. Those emails accounts dont require...
Bash vulnerability
MailCleaner will be automatically patched very soon regarding this vulnerability. However, pleas...
Ticketing Workflow
# About our ticketing process ## Language for requesting support Remember that our support team...
Number of users / Billing mailbox / Callout
Your MailCleaner statistics doesn't display the correct number of mailbox used? Don't panic ! Th...
I am getting blacklisted
You have been blacklisted and you want to know why. The first thing to check is for an unusual a...
Exception lists / Sender Rules
# How Sender Rules Work ## What Sender Rules exist There are a variety of rules that can be cre...
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...
Outgoing Relay Deliverability Tips
If you have [configured MailCleaner as an Outgoing Relay](https://support.mailcleaner.net/boards/...
Modifying the exim configuration files.
In MailCleaner, there are 3 exim servers. The first one, called Incoming queue is the one accept...
MachineLearning
MailCleaner is currently in the processes of developing a new Anti-Spam filter module called Mach...
Exim 4.94 Upgrade
There have been disclosures made for several critical vulnerabilities with the Exim MTA which is ...
Manage quarantines in Exchange - O365 - Outlook
# Manage quarantines in Exchange - O365 - Outlook If you do not want to manage quarantines on Ma...
Hostlist Entry Formatting
In MailCleaner, there are several features which allow for policies on a hostname or IP basis. He...