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whitelist file attachments

Posted: 12 Jun 2017, 15:13
by keat63
Is it possible to whitelist a file type ?

Customer sent a remittance advice to our sales dept as a HTML file.
For security purposes, our internal firewall locks these files, so that they can't be opened without prior investigation.
It gives it a file name ending clk.. eg filename.clk

The sales department, forwarded this email (with the locked file) to our accounts team.
MSFE now detects the locked file as a virus and blocks it.

Is it possible to whitelist this file type ?

Re: whitelist file attachments

Posted: 12 Jun 2017, 15:37
by Sarah
Please check this knowledgebase article for information about allowing specific file types:
https://support.configserver.com/knowle ... ailscanner

Re: whitelist file attachments

Posted: 12 Jun 2017, 15:43
by keat63
Thanks.

Added allow \.clk$ - -

And now the file is going through.