Monitoring event sink # 20 – MailMsg COM class

MailMsg – COM Class

The MailMsg COM class represents a message as it proceeds through the SMTP service.

• The information within the MailMsg object is persisted to some physical location such as the file system using objects and file handles provided by the installed store driver object.


• The MailMsg COM class is integral to the SMTP service and does not need to be implemented.


• Transport and protocol event sinks use references to a MailMsg object to access information about the message and the message contents as it proceeds through the service to its final destination.

MailMsg – CoClass 

CLSID : 39b16f50-a8ba-11d1-aa91-00aa006bc80b

ProgID : Exchange.MailMsg

Inproc Server : %SystemRoot%System32inetsrvmailmsg.dll

Available Interfaces:

• IMailMsgProperties


• IMailMsgRecipients


• IMailMsgBind


• IMailMsgPropertyManagement


• IMailMsgQueueMgmt

For more detailed information, please read this article.

Monitoring event sink # 19 – SMTPReg.vbs

Are you looking to register the SMTP event sink? Then we need to make use of script called “SMTPReg.vbs”. The following event management script demonstrates using the Server Extension Objects (SEO) to manage event bindings for the SMTP service.

Please click here to download the “SMTPReg.vbs“

Monitoring Event Sink # 18 – How to write an OnArrival-type SMTP event sink in managed code (using Visual Studio.NET)

I found this wonderful article talks about “How to write an OnArrival-type SMTP event sink in managed code by using Visual Studio .NET 2003“. It’s an interactive article, with step-by-step ways of illustration to create event sink in Managed environment(.Net).

Note: This sample event sink can be used to handle incoming SMTP commands and messages and to process them as needed.

This article contains an overview of how to write event sinks for SMTP events in managed code by using wrappers that obscure some of the details of communicating with the unmanaged server.

WebDAV Sample(s): How to get item property values from Exchange Store

Please find this wonderful article, which talks about “How to get item property values using WebDAV“. This article has good example’s in VB.Net, C#.Net, C++.Net and VBScript. 

It talks about, how you can construct the XML body of a WebDAV PROPFIND Method manually. The request is for the displayname Field for a folder. After the request has been constructed, the code passes the XML string to an XMLHTTP Component Object Model (COM) object and sends the PROPFIND Method request to the server.

Edge Transport server transport agents – List of agent names, priority and its SMTP events

 Edge Transport server transport agents: Find the list of agent names, priority and its SMTP events.

Agent name	Priority	SMTP events
Connection Filtering agent	1	OnConnectEvent, OnMailCommand, OnRcptComand, OnEndOfHeaders
Address Rewriting Inbound agent	2	OnRcptCommand, OnEndOfHeaders
Edge Rule agent	3	OnEndOfData
Content Filter agent	4	OnEndOfData
Sender ID agent	5	OnEndOfHeaders
Sender Filter agent	6	OnMailCommand, OnEndOfHeaders
Recipient Filter agent	7	OnRcptCommand
Protocol Analysis agent	8	OnEndOfHeaders, OnEndOfData, OnReject, OnRsetCommand, OnDisconnectEvent
Attachment Filtering agent	9	OnEndOfData
Address Rewriting Outbound agent	10	OnRcptCommand, OnEndOfHeaders

Technical Chat – Open XML SDK and Road Map

Technical chat with Eric White (Open XML Technical Evangelist) & Zeyad Rajabi (Office Program Manager) at Microsoft, presenting a quick introduction of the Open XML SDK and the road map.

For more details regarding this, please visit http://openxmldeveloper.org/ and http://msdn.microsoft.com/office/xml

Outlook Mobile Service – How it works? Advantages? Features?

Two ways to communicate with your colleagues, business partners, and family are e-mail messages and your mobile phone. Both have their advantages, but managing your contacts, correspondence, and appointments by using two different media can be cumbersome.

Outlook Mobile Service is a new feature in Microsoft Office Outlook 2007 that you use to create and send text messages as well as multimedia messages to a mobile device from within Outlook in a manner similar to e-mail messages.

Outlook Mobile Service makes it easier to use both these media and is fully integrated with Outlook. With Outlook Mobile Service, composing and sending a text or multimedia message is now as quick and easy as creating and sending an e-mail message. After the message is sent, you can see it in the Sent Items folder in your Inbox.

For more details, read this wonderful article. It describes about the advantages, how it works and its features.

How to manage all email accounts with Microsoft Outlook 2003/2007?

Now you can manage all your email accounts with Microsoft Outlook 2003 / 2007? That also free. How it’s possible? 

• With the Outlook Connector, you can view your Windows Live Hotmail e-mail in Outlook alongside your other e-mail accounts.  


• Outlook Connector provides a free solution for managing your Windows Live Hotmail e-mail and contacts from within Outlook.


• With the new release of the Outlook Connector, you can connect your Windows Live Hotmail account in Microsoft Office Outlook 2007 or Outlook 2003 free of charge.

For more details, read this article

Interactive Command reference guide: Outlook 2003 & Outlook 2007

Wondering where the favorite Outlook 2003 commands are located in Outlook 2007? Or just want to explore the rich new design with a little guidance?

You’re in the right place. I found this well developed visual, interactive reference guide to help you quickly learn where things are.

Click here to learn more

What’s special in Exchange Server 2007 SP1?

This article is for all Exchange users. When we work with our customers, they eagerly want to know differences, new features, comparisons, what were its new and special features, product reviews or comprehension information about Exchange Server 2007,

Please find the two useful article, which talks about ‘end-to-end’ richfull features related information:

Review the features of Exchange Server 2007 including SP1

Comprehensive information on Exchange Server 2007 with SP1