Anti-spam
Symantec’s State of Spam report: Spam rates declining
Here’s something that should make messaging folks happier (as happy as you can be at this point given the DST 2007 huddle a lot of…
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Anti-Spam
Exchange 2007
HOW TO Update multi-valued attributes in PowerShell
Multivalued attributes are simply attributes that can have more than one value. Examples include members attribute of groups, or proxyAddresses attribute of recipients. In GUI…
PowerShell
Empower Your PowerShell with PowerGadgets
Exchange MVP Andy Webb showed off this great tool called PowerGadgets recently that can help you build cool gadgets – with or without Windows Vista.…
Administration
Exchange 2007 Content Filter: How to move messages to Junk Mail folder
You’ve setup Exchange Server 2007, and configured the shiny new Content Filter agent (CFA), which is more than just a rewrite of the equally loved…
Anti-spam
Exchange Server 2007: Making SenderID work with non-Exchange smtp hosts
To make the SenderID filter work with non-Exchange smtp hosts acting as your mail gateways for inbound mail, you need to tell Exchange about them.…
Anti-spam
Exchange 2007 Content FIlter: The Whitelist Is Here!
Messaging Hygiene features in Exchange Server 2003, including the Intelligent Message Filter (IMF), did not have a way to whitelist sending domains or SMTP addresses.…
Anti-spam
IMF: Updates not showing up in Add/Remove Programs?
Some users report that recent updates to Microsoft’s Intelligent Message Filter (for Exchange Server 2003) do not show up in Add/Remove Programs in Windows. Double-checking…
Anti-spam
IMF: Updates live again
This just came in from Scott Roberts – IMF updates are live again. The latest update is dated Jan 11, 2007, version 6.5.7891.0. Given the…
Anti-spam
IMF: Updates stopped in December, to resume on Jan. 17th
A lot of users wondered why there were no updates to Microsoft’s Intelligent Messages Filter (IMF) in recent weeks. Many Exchange administrators wondered if it…
Anti-spam
Enabled by default: SMTP Tarpit in Exchange Server 2007
From a recent discussion, and something I’ve been wanting to post about for a while: SMTP tarpitting is enabled by default on Receive Connectors in…