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Exchange IMF - Blocking outbound mails :(

I have several clients with setups that include Exchange server and also Backup Exec, the problem I am having is that the IMF on Exchange is blocking status mails that are being send from Backup Exec. Specificaly, client1 has the SCL set to 6 (Mark as junk if 6) and I receive the Backup Exec reports each day. Client2 has the SCL set to 5 (Mark as junk if 3) and the emails are being deleted on the way out. Is it possible to set the IMF to act on incoming mails only and ignore outgoing ones?
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ScorpioUltima
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ScorpioUltima
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SembeeCommented:
IMF does not do anything on outbound email. It doesn't touch outbound email. Therefore the messages are getting flagged when they come in to the server for delivery.

The way I usually get round this is to setup a second SMTP virtual server on the machine. This will need a second internal IP address. This second SMTP VS does not have IMF or anything else enabled on it. All internal systems are pointed at the second SMTP VS which do not go through any filtering.

Simon.
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ScorpioUltimaAuthor Commented:
Thanks for that, I have always thought that IMF worked on incoming mail only but it certainly seems to block it though, not sure if I can post a link here but I'll try...

http://i195.photobucket.com/albums/z221/VVarWizard/IMF.jpg

Veritas is the email account that sends the mail, nick is the account (Mine) that receives it and as you can see the IMF deletes it on the way out! I have this EXACT problem with 2 seperate clients and yet other clients who also have the same Veritas/Exchange setup do not have the problem, the only thing in common between the sites that block is that the IMF is set to be more aggressive than the sites that do not block.

I'll try the 2nd server idea though, not something I have had to do before but I'll let you know how I get on.
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SembeeCommented:
It is not deleting it on the way out. It is deleting it on the way in. That screenshot doesn't prove it is deleting it on the way out either.

When the application sends a message via an SMTP server the message has to go in and then comes straight back out again. I often refer to this as "bouncing" off the SMTP virtual server. It is the incoming part that IMF does its thing on.

Another thing you could is simply configure Veritas to send email via the ISPs SMTP Server instead of an internal server.

Simon.
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ScorpioUltimaAuthor Commented:
The screenshot wasn't meant to prove anything, it was just meant to show that mail that originated inside the network was being deleted on its way to an external address - IMF deletes it and therefore appears to be deleting outbound mail.

I'll look at both options you have suggested, seems a pity that Microsoft didn't include a 'safe senders' or 'safe domains' list and make IMF more configurable :(
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