Well, if you really do not want viruses/worms to get through, just ban
all attachments
* Attachments= NO
* Language= NOHTML
and put in a size limit:
* Sizelim = 200

If you allow *any* attachments you cannot prevent your users from picking
up a virus/worm from list distributed material.
Douglas Winship     [log in to unmask]

On Wed, 3 Mar 2004, Richards, Troy wrote:

> Let me appologize if this issue has been posted before, but I did not
> find it in a quick search of the list archives.
>
> I'm currently running LISTSERV(R) version 1.8d.  My users were content
> with allowing all forms of attachments (APPLICATION/OCTET-STREAM) to
> their lists until they were hit with some nasty viri a few weeks ago.  I
> have tried to allow just .pdf attachments with the "application/pdf
> " option, but the listserv sees PDFs as octet-stream attachments.  Is
> there a listserv specific MIME type/work around for this issue, or do I
> have to allow all binary attachments?
>
> Sincerely,
>
> Troy A Richards
>