Help & Support

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 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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Monitoring MailCleaner with SNMP

Setting up MailCleaner external monitoring via SNMP. ## How MailCleaner is providing monitoring ...

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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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Kaspersky Anti-Virus

# Installation Please contact MailCleaner support to have the Kaspersky add-on option installed....

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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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SMTP Long Lines

# Background The [SMTP specification](https://www.rfc-editor.org/rfc/rfc821) provides the protoc...

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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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GitHub Branches

# Notice Work-in-progress document discussing future MailCleaner development. The 'Legacy' model...

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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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Configuration of MailCleaner AntiSpam with Microsoft Office 365

# Office 365 From **Configuration->Domains** If you have not already created the domain, selec...

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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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Reindex Log Files

# Work in Progress Script is not published yet. ## Purpose MailCleaner has a script at `/usr/m...

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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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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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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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ESET Anti-Virus

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

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Reject domains containing capital letters

Domain names shouldnt have any capital letters in them according to RFCs so we decided to forbid ...

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Fail2Ban

# Fail2ban Usage in MailCleaner <hr/> *Jump straight to [`unban`](#Fail2Ban-management-command)...

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Freemail

Freemail is the name we give to big emails accounts providers. Those emails accounts dont require...

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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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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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Extended SPF

The standard use of SPF is described in > https://support.mailcleaner.net/boards/3/topics/64-spf...

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Ticketing Workflow

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

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SPF Sender Policy Framework

Using SPF to trust your email partners. ## Resume SPF allows a domain to provide a list of IPs ...

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