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Old 02-20-2008, 07:32 AM   #1 (permalink)
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Default Exchange 2007 spam making it to Blackberry

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I've been troubleshooting this for a couple of days, and am running out of ideas. I'm hoping someone here might be able to help shed some light on this.

We're running BlackBerry Professional 4.1 on a Windows 2003 Server, and Exchange 2007 with it's built-in anti-spam filtering on a separate machine. Junk filtering is enabled on the user's Exchange mailbox. I verified last night by shutting down the user's Outlook client and logging in via Outlook Web Access this AM - and junk WAS filtered to his Junk E-Mail folder.

I've also made the registry change to allow a 45 second processing delay on the BlackBerry server.

However, the user continues to get all his spam on his BlackBerry. I checked the BlackBerry server configuration, and his user is set to receive Inbox email only. I also checked his BlackBerry device configuration, and 'hide filed messages' is ON.

I'm at a loss here, because I don't think spam should be hitting his Inbox, and I don't think it should be getting to his BlackBerry - but it is.

Anyone have an similar experiences? Any suggestions?

Thanks!

Last edited by Kremlar : 02-20-2008 at 07:34 AM.
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Old 02-20-2008, 08:22 AM   #2 (permalink)
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I have had a situation where a BIS account was setup on the device and that was where the spam was coming from, not the BES part. Possible?
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Old 02-20-2008, 08:42 AM   #3 (permalink)
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No, not the case here - but thanks for the suggestion!
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Old 02-20-2008, 09:07 AM   #4 (permalink)
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Are you sure the delay is happening?
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Old 02-20-2008, 09:57 AM   #5 (permalink)
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No, I'm not certain the delay is happening, though we are running the latest build as of a few weeks ago, we did make the registry change, and did restart the services as instructed.

On the other hand I know the delay is necessary for some anti-spam packages, but I'm not even certain if it's normally required when using Exchange 2007's built-in anti-spam. Can anyone confirm?
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Old 02-21-2008, 05:49 AM   #6 (permalink)
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Any other suggestions on this?

Thanks!
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Old 02-21-2008, 05:59 AM   #7 (permalink)
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Quote:
Originally Posted by Kremlar View Post
Any other suggestions on this?
Outsource your mail filtering to a third-party so it gets filtered before it even hits your mail server.
It's cheap enough and will also reduce the load and responsibility of your own server.

Messagelabs offers a great solution, and there are many others as well.
MessageLabs: Be certain - Leading Anti Spam, Anti Virus, Web Security, Encryption and Archiving Services
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Old 02-21-2008, 06:33 AM   #8 (permalink)
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I would call up T-Support ... penguin also makes an EXCELLENT suggestion too. ExchangeDefender: Messaging Hygiene & Business Continuity Postini and Symantec Hosted Filtering are also other suggestions of excellent places to use.
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Old 02-21-2008, 07:46 AM   #9 (permalink)
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We are considering other options, but Exchange 2007's anti-spam is actually working well for us - other than the issue of emails getting to the Blackberry.

It's hard for us to justify switching to a completely different solution if the Blackberry is the only problem...
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Old 02-21-2008, 08:04 AM   #10 (permalink)
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Quote:
Originally Posted by Kremlar View Post
It's hard for us to justify switching to a completely different solution if the Blackberry is the only problem...
To be perfectly honest, I can think of no better reason.
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Old 02-27-2008, 09:12 PM   #11 (permalink)
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I got the same problem...
I've uncheck the Junk E-mail folder redirection for his account setting in BES,
don't know how to solve...
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Old 04-01-2008, 12:59 PM   #12 (permalink)
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Default 2003 Exchange / BES

I'm having the exact same problem as well. I have also unchecked the Junk Email folder for re-direction in the BES server.

Someone mentioned something about BIS causing this problem? So, if this user has logged on and created a BIS account alongside of the BES account, this may cause this problem?

I think Blackberry should have a resolution to this, but I can't find one anywhere.
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Old 04-01-2008, 01:24 PM   #13 (permalink)
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Not sure if helps or not, but when I have Exchange Cached Mode turned on for my account, mail hits my BB about 10 seconds before my Outlook Inbox unless I hard send/receive in Oulook. Haven't noticed if this affects how much junk hits my BB...

Using OL2K3 & Exchange 2K3
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Old 04-02-2008, 11:46 AM   #14 (permalink)
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I'm having a similiar problem with a customer of mine and this may rule out a few things here for you.

We have our hardware parameter security unit with anti-spam filtering setup on his network before his Exchange server and his BES. Now I haven't got much info on his setup like version and what not but I will get it soon (I'm waiting on the customer); however, he states that his Exchange server doesn't get the spam (which means the unit filters it); however, his Blackberry device(s) receive spam.

So how does this work? hehe
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Old 04-02-2008, 04:28 PM   #15 (permalink)
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we have a spam box that sits on top of exchange. however, the way email works (don't know why or how), it will flow through, spam box, then BES, then exchange. what i did was apply a filter in the BES software to filter out all spam messages so that they do not reach the phones. that solved my issue.
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