Anti-spam
Connection Filtering and RBLs in Exchange 2013
Exchange 2003 and later have included Connection Filtering in its repertoire of built-in anitspam tools. In Exchange 2007 and Exchange 2010, this is implemented using…
Category
Transport
Administration
Using Transport Rules to protect your organization from the ‘Here You Have’ Worm
The Here You Have worm, also known as Visal.B, has been spreading through network shares and email (more details on Microsoft’s Malware Protection Center web…
Administration
Are Distribution Groups really being used?
Over the years, you end up creating a large number of Distribution Groups based on user demands. The regular departmental Distribution Groups such as Sales,…
Exchange Server
EHLO: DSNConversionMode and You
If you haven’t already read Jason Nelson’s take on Delivery Service Notifications (DSNs), head over right away to DSNConversionMode and You: An Administrator’s Guide.
Administration
Disable Antispam agents on a Receive Connector
Exchange 2007’s antispam agents are enabled for all Receive Connectors on a transport server. Is there a way to disable the agents on a particular…
Anti-spam
HOW TO: Prevent annoying spam from your own domain
One of the more annoying types of spam is the one that seems to be coming from your own domain; or worse— from your own…
Administration
Controlling OOFs per domain and per mailbox
OOFs can be controlled per domain using Remote Domain settings. By default, setup creates the default Remote Domain for address space *. (As with Connector…
Exchange 2007
Removing internal host names and IP addresses from message headers
Another frequently asked question about SMTP mail – how can I remove internal host names and IP addresses from outbound Internet mail? More often than…
Administration
Errata: Edge Subscription and Synchronization white paper
The white paper on Edge Subscription and Synchronization has the following error: Under Recipient Information: Distribution groups are not replicated to ADAM. Distribution Groups are…
Exchange 2003
Routing outbound mail using a particular IP address
A question that frequently and inevitably pops up when discussing Exchange transport is that of being able to route outbound mail using a particular IP…