Mailfilter

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(Created page with "{{DISPLAYTITLE:Mail Filter}} == Mail Filter == This module enables you to filter email accounts for SMTP/POP3/IMAP emails. If SMTP/POP3/IMAP over SSL, you also need to enable...")
 
(How to filter SMTP/POP3/IMAP over SSL emails?)
 
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** Receiver black & white list: filter POP3/IMAP receiver account.
 
** Receiver black & white list: filter POP3/IMAP receiver account.
  
[[File:mailfilter_01.png|600px]]
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[[File:mailfilter_01.png|800px]]
  
 
* For "white list", only email accounts in the white list can send/receive emails.
 
* For "white list", only email accounts in the white list can send/receive emails.
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* Wildcards "*?" are supported.
 
* Wildcards "*?" are supported.
 
* You may starts a comment with '#'.
 
* You may starts a comment with '#'.
   
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== FAQ ==
 
== FAQ ==
 
=== How to filter SMTP/POP3/IMAP over SSL emails? ===
 
=== How to filter SMTP/POP3/IMAP over SSL emails? ===
 
With "SSL inspector", you can only filter plain SMTP/POP3/IMAP emails. To filter SSL protected emails, "[[sslinspect|SSL Inspector]]" shall be enabled.
 
With "SSL inspector", you can only filter plain SMTP/POP3/IMAP emails. To filter SSL protected emails, "[[sslinspect|SSL Inspector]]" shall be enabled.
 
 
[[File:mailfilter_02.png|600px]]
 
  
  

Latest revision as of 11:03, 26 October 2018

Contents

[edit] 1 Mail Filter

This module enables you to filter email accounts for SMTP/POP3/IMAP emails. If SMTP/POP3/IMAP over SSL, you also need to enable "SSL Inspector" for mail filter to work.

[edit] 2 Mail black & white List

  • Black & white list for outgoing emails:
    • Sender black & white list: filter SMTP senders.
    • Mail-to black & white list: filter SMTP mail-to targets.
  • Black & white list for incoming email:
    • Receiver black & white list: filter POP3/IMAP receiver account.

Mailfilter 01.png

  • For "white list", only email accounts in the white list can send/receive emails.
  • For "black list", emails in the black list will be blocked.
  • Wildcards "*?" are supported.
  • You may starts a comment with '#'.

[edit] 3 FAQ

[edit] 3.1 How to filter SMTP/POP3/IMAP over SSL emails?

With "SSL inspector", you can only filter plain SMTP/POP3/IMAP emails. To filter SSL protected emails, "SSL Inspector" shall be enabled.


Mailfilter 03.png

"SSL Inspector" can enable filtering for "SMTP/POP3/IMAP over SSL" emails.

[edit] 3.2 How to filter web-based emails?

Because web-based email protocols are private, so we can not filter email accounts for web-based emails. You are recommended to block all web-based emails in Web Filter to force users using SMTP/POP3/IMAP clients.

Mailfilter 04.png

[edit] 3.3 Some other email clients

Some email clients has special private protocols, you also can block them in App Control.

Mailfilter 05.png

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