[H-GEN] it's the season for... vacational auto-responders

[Tony Nugent]

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Yep, the season is fast approaching alright :)

I've been asked to set up some out-of-office email auto-responders
for some mailboxes on an MX mail server running with a
sendmail/procmail/mimedefang/spamass/antivirus/imaps/pop3s setup
(all working very nicely).

I've used the vacation utility for my own needs in the past, but
otherwise it is a long time since I have looked at anything like
this, and never on a "site-wide" basis (involving multiple users who
don't have local unix logon shells).

A quick google search found several promising solutions, but I'm
wondering what other people here are using (or have used), and what
is recommended.

My requirements:
 - not respond to any spam that slips though, to known mailing or
   subscription lists, and to other things like postmaster mail
   returns and so on.
 - only one response to anyone who does send a message and has
   already been sent an "I'm away" notice.
 - be secure enough to not allow abuse, and be safe and robust
   enough to behave the "right way" in case of errors or having to
   cope with unusual situations, etc.
 - be easy to setup and en/disable on a per-user/mailbox basis
   (procmail via a global and/or local procmailrc will be fine)
 - a bonus (not essential) would be the ability for users to enable
   and configure it themselves via a web interface (eventually I'll
   very probably build this functionality anyway, php is magic :)
 - and probably some other features that I haven't thought of... ;)

Many thanks for any pointers...

Cheers
Tony

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