New Zealand ADSL Mailing List


Re: JetStream bill for a several thousand dollars

From: Chrissy <ChrissyR_at_home.gen.nz>
Date: Fri, 10 Oct 2003 14:43:26 +1300
Message-ID: <039e01c38ed0$09eb8e80$9f6159db@DeskTop>

> Well in case u need some semi intelligent way to deal with this kinda
> mail your current approach is just fine. But if u want to minimize the
> traffic on your mail server at any cost just simple attachment extension
> matching (which is basically what mime header check does) is the way to
> go :).

> My current filter is based on only one line which goes like this:
>
>
/name=[^>]*\.(ade|adp|asd|bas|bat|chm|cmd|com|cpl|crt|dbx|dll|exe|hlp|hta|inf|ins|isp|lnk|js|jse|lnk|ocx|mde|mdt|mdw|msc|msi|msp|mst
|nws|ops|pcd|pi|pif|prf|reg|scf|scr|sct|shb|shm|shs|swf|uue|vb|vbe|vbs|vbx|vxd|wab|wsc|wsf|wsh)/ REJECT Potentially dangerous file
attachment. Please do not include any executable attachments in your email.
>
> That one line has completely blocked all the crap thats been going around
> last few weeks.

I did want something a tad more intelligent than the nuke at all costs approach
to attachments as I do get some legit ones - like Mark just sent me - he sent
the source to a little app he did to strip the CRs out of the file - those attachments
I want to get.

Chrissy.

PS
- best spam blocker of all time - use the phone for messages
- best anti virus measures of all time - turn off the bloody computer and go to the beach

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Received on Fri Oct 10 14:43:57 2003

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