FYI: BUG: Attachments.Add fails for POP3/IMAP only accounts when the attachment type is Outlook.olEmbeddedItem

Problem: Attachments.Add fails only for POP3/IMAP accounts when the attachment type is Outlook.olEmbeddedItem Cause: This is a known issue with Microsoft Product (Outlook 2010) and we have an internal fix available. The fix is expected to go public with the release of next Service Pack for the product. Repro Code: 1. Setup a POP3 only…

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Exchange 2007: Transport error when sending emails using TLS (0x80040213)

Ok, this was a fun case and I never had such fun on a CDOSYS case & I am lying. I spent nearly all day in hunting down a Transport failure issue when sending emails using CDOSYS and Exchange 2007 as backend. This was the configuration of the default Receive connector, pretty secured…huh??? Yeah!!! Goal: …

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Exchange 2010: OWA Customization: Preview forms does not works in Conversation Mode

I recently had couple of customer reporting that their existing/new OWA customization code is not working in Preview mode. You will notice the following error message displayed instead.. "This type of message isn’t fully supported in Conversation mode. Click here to open the full version, which may show you more details or features." This same…

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System.Net.Mail cannot send secured email using SMTP over SSL aka SMTPS protocol

This is just FYI that we know the limitation of System.Net.Mail classes and its incapability of sending secured emails over SSL / SMTPS. The SmtpClient class only supports the SMTP Service Extension for Secure SMTP over Transport Layer Security as defined in RFC 3207. In this mode, the SMTP session begins on an unencrypted channel,…

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HOTFIX: .NET 4.0 (System.Net.Mail) Unable to send emails with large attachments (more than 3MB)

  We have an official release for the issue and if you are facing this problem then I would recommend you contacting PSS and refer to this blog http://blogs.msdn.com/b/vikas/archive/2010/04/05/bug-net-4-0-system-net-mail-unable-to-send-emails-with-large-attachments-more-than-3mb.aspx I am expected it to be released in a public KB in some time but for the time being you can request for the hotfix by…

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FYI: MAPI Application does not work when running from Windows Service (MAPI_E_NETWORK_ERROR)

I recently had two cases where the MAPI application was failing while creating a dynamic profile calling IMsgServiceAdmin::ConfigureMsgService. Although if the same application is executed outside Service Control Manager then it work and is able to create the profile just fine. In both cases we found out that the older versions of OLMAPI32 had this…

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Webcast: Enhancements in VSTO 4.0 Deployment for Office 2007/2010

  One of my colleague, Akash, today presented this webcast where he talked about the enhancements in VSTO 4.0 Deployment for Office 2007/2010 using Visual Studio 2010. The session demonstrate how to use ClickOnce post-deployment action and Deploying Multiple Office Solutions in a single click-once installer. Here is the link for the same, this has…

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We are Open, says PST to Outlook :-)

This is pretty exciting development which came yesterday as Microsoft announced the availability of two new open source projects to facilitate interoperability with Outlook PST files. Now start your engines and start thinking of solutions that you can build upon it, and some of you who were reverse engineering the PST format and already doing…

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WebDAV can expose private meetings/appointments to users who should not see them.

This is quite frequently asked and with surprise & worries mixed together… Why WebDAV is able to see my Private meetings/appointments? Isn’t this a security breach? How can I get it fixed? The answer is very simple, not this is not a bug. This is how it should work and then comes a even bigger…

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