At 20:22 2003-08-22 +0000, John Conover wrote:
There are a lot more MS executable filename extensions. See:
http://www.johncon.com/john/QuarantineAttachments/
I used that recipe as a basis for a notification mechanism on my servers -
the messages are quarantined, but the HEADERS are sent along within the
body to the original recipient, advising them that the message was quarantined.
I've been very happy with its effectiveness. Periodically purging the
quarantine file is a trivial action (I do not have it automated, though a
simple "rotate" operation would work fine for those wanting to automate
it: active archive -> previous week archive -> delete archive.
There is no mechanism currently in place for users to extract messages from
the quarantine (absolutely nobody at my site has requested it, so I'm not
in a big rush to waste the time developing it). With a db interface and a
little supporting code, it'd be possible to store the quarantined messages
into an SQL db, and include a web interface that could extract them and
redeliver messages from the archive via a URL stuffed into the advisory
message (say using the messageID or local SMTP transaction id for the
key). This would also make purging easy, since you could purge messages
once they're over 'x' days old.
In any event, that'd be accomplished simply by building on the existing
mechanism, which itself was built upon John's quarantine recipe (with some
mods and updates).
---
Sean B. Straw / Professional Software Engineering
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