Rob Lanphier (robla@real.com)
Tue, 23 Oct 2001 19:07:55 -0700
At 05:12 PM 10/23/01 -0400, Keith Moore wrote:
>as for a technical solution, maybe if receivers automatically bounced
>mail that didn't have proper content-type labels that would solve the problem.
Given the many email-based viruses that have graced our presence in the
past year, it would be incredibly easy to justify a feature of an MTA which
bounced any email with a blacklisted MIME-type (or that only accepted
whitelisted MIME-types, for that matter).
A quick search shows Sendmail.com has this feature in their enduser ready
product:
http://www.sendmail.com/idemo/prod_guide/switch/demo/msd_foundation-attachmentfiltering.html
Convincing them and others to also filter mislabled audio in their default
configuration may be reasonably straightforward. See Brian Behlendorf's
account of the AOL/Apache incident for how that can play out:
http://www.oreilly.com/catalog/opensources/book/brian.html
(the story is about 1/5 the way down; search for "AOL")
Rob
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