Sending Digitally Signed emails using C#

Question

Hi All,

    I have a requirement of sending a digitally signed email using C#,ASP.net. I tried it several ways and atlast using ASPEmail and ASPEncrypt i was able to access certificate but iam getting the mail address as the name of the certificate holder. Iam unable to find how to read the email address from the certificate. Any support will be appreciated. Thanks in advance.

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phani kumar ---help me out

Answer 1

hi,

any idea how to send digitally signed EMail with C#.
We have same requirement. Please suggest if you have done already.

Thanks in Advance
Venkatesh.

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Answer 2

Venkat,

You can use the Cryptography API in combination with CDOSYS or CDOEX to digitally sign and/or encrypt a message. So you can use the COM version of the Cryptography API (CAPICOM) to easily sign and/or encrypt CDOSYS or CDOEX messages.

You can obtain the CAPICOM DLL from the following Microsoft "Platform SDK Redistributable: CAPICOM 1.0A" Web site: http://www.microsoft.com/downloads/details.aspx?FamilyID=860ee43a-a843-462f-abb5-ff88ea5896f6&DisplayLang=en  

Also you can refer the Microsoft knowledge base article: http://support.microsoft.com/kb/280391

Hope this helps.

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DeVa, M.S., {MSFT}