NO block the attachments

Hy All,

I set for "Block the attachments with a postfix header filter":
In ISPConfig, click on “Email in the upper menu, then on “Content filter” in the left menu and click on the “Add new content filter” button. Enter the following details:

Filter:

MIME-Header Filter

Regexp. Pattern:

/^Content-(Disposition|Type).*name\s*=\s*”?(.*\.(bat|exe|scr))(\?=)?”?\s*(;|$)/x

Data:

File extension is blacklisted on this server

Action:

DISCARD

But no worked.
Any idea?
Thanks

 

Hy Till,

I followed the explanation in: http://www.faqforge.com/category/linux/controlpanels/ispconfig3/ only that.

The file /etc/postfix/mime_header_checks is empty.

Thanks again.