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Should MX record point to CNAME records (aliases)?

Though the practice of pointing MX records to CNAME (alias) records is not that uncommon, it certainly isn’t in keeping with internet standards. When you point a MX record to a CNAME, you’re in fact inviting double the DNS traffic to your DNS servers. Try this by performing a name resolution query using nslookup: >nslookup […]

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Changes to hotfix/patching model for Exchange Server 2007

Microsoft has decided to change the hotfix/patching model for Exchange Server 2007. In the past, if you had a particular issue or came across an error, you looked up the relevant KnowledgeBase article(s) and called PSS for the relevant hotfixes (most hotfixes for Exchange Server 2003/2000 fix a particular issue – Microsoft does not recommend […]

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IMF: Where’s the whitelist?

Another frequently asked question – asked frequently enough to make its way here. Does the Intelligent Message Filter (IMF) v1/v2 in Exchange 2003 provide any way of “whitelisting” sending SMTP addresses or domains? (I will continue to use whitelisting as one word. Although it cannot be found in the dictionary, it is a common term […]

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Exchange Server 2007 launch: some projections from Radicati

Exchange Server 2007 launches today in New York, along with Windows Vista and Office 2007. The Radicati Group has some interesting market share numbers and projections – Exchange has about 30% of the messaging software market, compared to IBM’s 20%, and takes in half of the $2.3 billion spent on messaging software worldwide. Yes, Exchange […]

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Update: Manually removing IMF v1

Scott Schnoll has an update regarding the recent post Intelligent Message Filter (IMF) v1 download removed from microsoft.com, and the issue of not being able to remove IMF v1 from Add/Remove Programs (if one doesn’t remember which account was used to install it or the account is no longer available) without reinstalling it. Here’s the […]

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HOW TO: Prevent sending display names with internet messages

Exchange Server and many other MTAs including most web-based services send the sender’s display name (e.g. “Joe User”) in email messages, in addition to the smtp (email) address. If you want to prevent sending display names in outbound internet mail for any reason, you can turn this off. Exchange Server 2003/2000 (Exchange System Manager):– Global […]

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Zinio Blues, and a broken PC Mag subscription

I’ve been an advocate of e-magazines – magazines that you can subscribe to and read on your computer using a modified PDF or similar format that preserves the publication’s original format and can be printed out if required. (Not as much of books online, because books are by definition longer than magazines, and usually require […]

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Exchange Server 2007: Questions before business launch

As posted earlier, Exchange Server 2007 will be launched next week (Nov. 30th is the date, along with Windows Vista and Microsoft Office 2007). Unlike Vista and Office 2007, Exchange Server 2007 has not gone RTM yet, but won’t be too long after the business launch. Q. What is RTM?A. Release to Manufacturing – that’s […]

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SCRIPT: Show OWA Users

This is a modified script that shows current OWA/HTTP logons to the Store(s) on a given server(s). The script takes NetBIOS names of servers as command-line arguments (separated by spaces), uses the Exchange_Logon WMI class to connect to a server and retrieve list of users currently logged on. Usage: ShowHTTPLogons.vbs EXCH1 EXCH2 EXCH3 If Cscript […]

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Installing Windows Server 2003 Admin Tools on Windows Vista

Like many IT folks, if you’re ahead of the pack and now have Windows Vista RTM running on your laptop or workstation, you’re probably wondering about or may already have tried running Windows Server 2003 admin tools (adminpak.msi) and Exchange System Manager on Vista. These admin tools are not officially supported on Vista yet. MVP […]

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