HOW TO: Prevent a user from sending and receiving internet mail

Many organizations want to restrict certain sets of users from sendig or receiving Internet mail. “How do you prevent a user from sending or receiving Internet mail?” is a frequently asked question. Here’s how to accomplish this in Exchange 2010, Exchange 2007 and Exchange 2003. Restricting outbound Internet mail for some users On Exchange Server […]

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MX Records – Preference or Priority?

At times I’ve used the words Preference and Priority interchangeably to describe the numerical value in MX records that determines which record gets used first. Many folks do it, and no, it’s not a crime to use either as long as the message gets across. However, when actually committing words to paper – when writing […]

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Why Get-TransportAgent doesn’t agree with the Exchange console

You disable a particular anti-spam agent — let’s say the Content Filtering Agent, using the Exchange Management Console (EMC). Figure 1: Disabling a transport “agent” in the Exchange Management Console Next, you use the Get-TransportAgent command to get the status of transport agents — and surprisingly the Content Filter Agent shows up as Enabled! Figure […]

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Header Firewall: Why spammers can’t insert fake SCL (and other Exchange Organization) X headers

After almost a year and a half of working with Exchange Server 2007, I still stumble into features I haven’t tested before. When it happens, it blows holes into my theories about how well I know E12. :) It started when investigating why a certain message – likely not from an authenticated source, would have […]

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Exchange Server 2007 Update Rollup 3 Released

Microsoft has released Update Rollup 3 for Exchange Server 2007 (KB935999). This update comes about 7 weeks after the previous one. It has fixes for 6 issues, mostly minor ones, listed in KBA 935999. The update is available for both 64-bit (x64) and 32-bit (x86) systems. The cumulative nature of Exchange Server 2007 updates/rollups means […]

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HOW TO: Add Email Addresses To Public Folders

A previous post shows how to add an additional email address to a mailbox/recipient [read “HOW TO: Add additional email addresses to a recipient“]. How do we add email addresses to Public Folders? It should be pretty simple – If Get-Mailbox shows the emailaddresses property for a mailbox, and Set-Mailbox allows you to use the […]

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HOW TO: Grant Full Mailbox Access permission

Follow-up to previous post “HOW TO: Assign SendAs right using Exchange shell” – the ability to assign SendAs and ReceiveAs permissions is preserved in Active Directory Users & Computers (ADUC), but the ability to grant Full Mailbox Access permission isn’t available. Full Mailbox Access is a mailbox permission (without getting into a debate about what’s […]

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Exchange Server 2007 Enterprise CALs: Let Microsoft do the filtering

Microsoft introduced the concept of Standard and Enterprise Client Access Licenses (CALs) for Exchange Server 2007. In previous versions, only the server part of Exchange came in Standard or Enterprise flavors, the latter allowing you the use of enterprise features like more number of Storage Groups and Stores, no limits on Store sizes, clustering, etc. […]

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Apple Licenses Exchange ActiveSync for the iPhone?

Has Apple finally seen the light, and licensed Exchange ActiveSync from Microsoft? Will iPhone users be able to get Exchange email pushed out to their iPhones using DirectPush? Gadget blog Engadget.com reports on rumors that indicate what many thought nearly impossible (but certainly something that would make a lot of sense for Apple – read […]

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Numbers talk: Vista most secure OS of all?

Today’s issue of Paul Thurrott’s WinInfo newsletter/column (read “Microsoft: Vista More Secure than OS X, Linux” on WinITPro.com) served as a reminder of the stuff I missed at TechEd in Orlando – my first year with exhibitor and staff (yes, they actually issued me one of those as well) badges. Subject: Jeff Jones’ Vista 6-month […]

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