Help & Support

ESET Anti-Virus

# Installation Please contact MailCleaner sales to get a trial license. When this is done, you ...

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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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HTML controls whitelist

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

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Remove a node from cluster

# Preparation Fist of all, you have to remove this node from your domain's MX record. Be sure th...

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Quarantine report configuration

If you think your users dont get the quarantine message the way they should, here is how to inves...

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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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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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Watchdogs

MailCleaner Enterprise Edition has a number of Watchdogs which report common errors to MailCleane...

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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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Back scattering

This is rare spam attack. The spammers are faking error messages. For example if you send a real...

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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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LDAPS for Microsoft Exchange

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

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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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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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DMARC Configuration and purging of reports

### DMARC (Domain-based Message Authentication, Reporting and Conformance) DMARC is a technical ...

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White list… why to avoid using it.

http://www.mailcleaner.net/antispam/documentations/whitelist.html See also: message#10

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SMTP Address Verification on Exchange Servers

Exchange does not natively reject invalid addresses during the SMTP connection. This can cause p...

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Password protected content blocked in content Quarantine

If you want to whitelist a sending domain towards this feature, please read : > https://support.m...

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Configure a loadbalancing cluster

Create a MailCleaner Cluster is a major feature of MailCleaner. ## Installation First, install ...

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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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Full Whitelist

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

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How to resolve mail spoofing problems

To avoid mail spoofing (forged mails), you can use authentication this way: 1) *(OPTIONNAL !!! : ...

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