Documentation MailCleaner
Frequently Asked Question
Too much VIRUS/Malwares/Trojans pass through MailCleanner
Hello, PLEASE verify first: message#35 because this issue is normally solved ---------------- ...
MailCleaner Newsletter Module
MailCleaner includes a module dedicated to “Newsletters Detection”. It is really important you f...
How to resolve mail spoofing problems
To avoid mail spoofing (forged mails), you can use authentication this way: 1) *(OPTIONNAL !!! : ...
Number of users / Billing mailbox / Callout
Your MailCleaner statistics doesn't display the correct number of mailbox used? Don't panic ! Th...
MailCleaner Network configuration
For more information, please refer to Chapter 1 of the MailCleaner installation manual: https://w...
How to create a ticket with all informations
Minimizing respond time by providing essential information at ticket creation really improve our ...
How to report a wrong analyze
Hello, MailCleaner was designed as community and collaborative anti-spam software. To be more pr...
Watchdogs
# Work in progress MailCleaner Enterprise Edition has a number of Watchdogs which report common ...
Back scattering
This is rare spam attack. The spammers are faking error messages. For example if you send a real...
Fail2Ban
# Fail2ban KB | **Note** : The replication of Fail2ban ( ban/unban ) will be effective every 5 m...
Log mails subjects and/or attachments names
By default, MailCleaner doesnt log mails subjects nor the attachment names. This is due to the fa...
HTML controls whitelist
Senders can be whitelisted against the HTML controls checks. This will affect all users of th Mai...
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...
max_input_vars
NOTE : this option has been changed to 3 000 entries so this workaround only applies if you alrea...
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...
SMTP issues
- SPF prevented a mail to come in : this is most likely a configuration issue on the side of the ...
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...
SpamC rules signification
If an email was caught by SpamC, you may want to know what does a rulename mean. This document li...
Logs analyze based on tracing tool
~~~ We are getting way to many false positives. How can I adjust the spam filter agreesive level....
I am getting blacklisted
You have been blacklisted and you want to know why. Running > zgrep -i relay /var/mailcleaner/l...
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