Define "safe".

I will be out of the office from 5 April through 1 May 2005.  While I am
vacationing at the North Pole, please drop by my house at 123 Any Street,
Anytown, USA and help yourself to anything you can find.

Attention spammers!  You've hit a live mailbox!  Tell your friends!

And to all of you fellow subscribers to the EITWML (Everybody In The World
Mailing List), I KNOW none of you care that I'm out of the office.

Ed Crowley MCSE+Internet MVP
Freelance E-Mail Philosopher
Protecting the world from PSTs and Bricked Backups!T

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Gregory
Toland
Sent: Thursday, April 07, 2005 2:55 PM
To: Exchange Discussions
Subject: RE: OoO Question

Sorry to drop in the middle of this thread (I have been reading it from the
beginning though).  So, is it safe to allow "Allow Out of Office Responses",
but still disallow "Allow automatic replies/forward"?  Or is the threat
still there of the looping without knowing whether your employees have
created custom out of office rules?

Gregory

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Senter,
John M
Sent: Wednesday, April 06, 2005 2:31 PM
To: Exchange Discussions
Subject: RE: OoO question

>From our testing, forward rules can cause a loop, if the forward is to
external server.  If the forward rule is set to send to a local exchange
mailbox it will detect the loop and stop.  But external connections will
continue to loop until find it or the server runs out of space.

We had this happen in our environment a couple of years ago.  I user had a
rule set to forward all e-mail to their hotmail account.  When they went
over their limit it would send back bounce messages that were then forwarded
to hotmail, and so the loop started.  This happened over night and out
server blew up because the queues have over 300,000 messages waiting to send
and each time the message got bigger.  So we disable automatic replies to
the internet for the entire organization and told the users to use OWA to
read mail.

Out-of-Office does have the loop stopper by only allowing one reply every 24
hours.  If you have automatic updates to the internet disabled then
additional rules in the OoO will not go out.

js



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