Help & Support
Kaspersky Anti-Virus
# Installation Please contact MailCleaner support to have the Kaspersky add-on option installed....
ESET Anti-Virus
# Installation Please contact MailCleaner sales to get a trial license. When this is done, you ...
Kernel Update
# Out of Date IMPORTANT: Debian has recently shut down their repositories for Jessie. Any of the...
SMTP Long Lines
# Background The [SMTP specification](https://www.rfc-editor.org/rfc/rfc821) provides the protoc...
GitHub Branches
# Notice Work-in-progress document discussing future MailCleaner development. The 'Legacy' model...
ClamAV Unofficial Signatures
MailCleaner uses ClaimAV as the default antivirus software when scanning messages. There is a bas...
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 ...
Outgoing Relay Deliverability Tips
If you have [configured MailCleaner as an Outgoing Relay](https://support.mailcleaner.net/boards/...
Configuration > Anti-Spam > TrustedSources
TrustedSources anit-spam module. ## Enable all trusted path detection The "all trusted path det...
DNS resolver for MailCleaner
## How to configure DNS resolver for MailCleaner. | **WARNING** : Don't use public DNS (i.e Goog...
Modifying Enterprise MailCleaner Source Code
MailCleaner Source Code is GPL, and easily available on your MailCleaner Virtual Appliance, for C...
SPF Sender Policy Framework
Using SPF to trust your email partners. ## Resume SPF allows a domain to provide a list of IPs ...
Password protected content blocked in content Quarantine
If you want to whitelist a sending domain towards this feature, please read : > https://support.m...
How to create a ticket with all informations
Minimizing respond time by providing essential information at ticket creation really improve our ...
MailCleaner Network configuration
For more information, please refer to Chapter 1 of the MailCleaner installation manual: https://w...
Remove a node from cluster
# Preparation Fist of all, you have to remove this node from your domain's MX record. Be sure th...
Minimum requirements
For production environment, make sure that your hardware meets the minimum requirements: * 2 CPU...
Cloning the same MailCleaner
This procedure **DO NOT** apply to create a extra node for the cluster. For emergency recovery, ...
Not a spam ? How to request a filter adjustment
On the quarantine page: 1. Click on the filter adjustment request icon next to the message of int...
Monitoring MailCleaner with SNMP
Setting up MailCleaner external monitoring via SNMP. ## How MailCleaner is providing monitoring ...
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...
Too much VIRUS/Malwares/Trojans pass through MailCleanner
Hello, PLEASE verify first: message#35 because this issue is normally solved ---------------- ...
News about virus waves
**2016/10/29 11:00:00** Due to a recent virus wave containing infected **documents with macros**,...
Customizing the MailCleaner firewall
If you change the MailCleaner server's firewall rules with iptables directly, the changes will on...
SMTP Address Verification on Exchange Servers
Exchange does not natively reject invalid addresses during the SMTP connection. This can cause p...