Administration
IMF: Gateway thresholds per server
So far we’ve known that Exchange Server 2003’s content filter – the Intelligent Message Filter (IMF), uses Gateway and Store thresholds and (Gateway) action that…
Tag
SMTP
Administration
Disabling NDRs
RFC 2821 requires a SMTP host to send non-delivery report if a message is accepted but cannot be delivered, and the reverse path is *not…
Administration
Windows Vista and telnet
Fired up the console (command prompt) in Windows Vista and can’t telnet to smtp or use telnet at all for that matter? Just noticed this…
Administration
Telling Exchange about (non-Exchange) SMTP servers
For anti-spam agents like IP Block List providers (aka DNSBLs/RBLs), and Sender ID, it is important to know about which non-Exchange SMTP servers receive inbound…
Google
HELO RFC 2821: Telnetting to Gmail’s SMTP servers
Telnetting to SMTP port of a mail server is a common troubleshooting task to test SMTP connectivity and mail flow that most of us do…
Exchange 2007
Exchange Server 2007: Internet email without Edge servers
The Edge Transport server role is not a required role. It’s good to have if you don’t want to expose your domain-joined Exchange servers to…
Administration
IMF: Archiving spam
As explained in previous posts, the Intelligent Message Filter (IMF) offers a few configuration options. The primary interface for configuring IMF is under Global Settings…
Administration
IMF does not scan messages larger than 3 Mb
Microsoft has just released a knowledgebase article – KB 907691 – documenting the inability of its Intelligent Message Filter (IMF) – the anti-spam filter that…
Administration
IMF: How to exclude recipients from IMF filtering
Microsoft recently released a hotfix for Intelligent Message Filter that adds functionality to exclude certain recipients from IMF filtering using an exclusive list, or only…
Anti-spam
IMF Confusion – Store threshold rating text in UI
A major source of confusion regarding the Store threshold value used by Intelligent Message Filter (IMF) is the IMF UI itself. This is documented in…