How to Domainkeys/DKIM email signing using the C# SMTP client?

I have written an program in C# which sends out emails. Now I have a requirement to sign outbound emails using Dominkeys/DKIM, but I'm not sure how to do it.

I have set up all keys, but I don't know how to get those and how to include them in the email header.

Solution

i didnt find much help on this issue, but my problem got solve by configuring smtp server. i cant post those steps as i am using 3rd party smtp server and every server has their own configuration. after proper configuration my smtp automatically adds DM/DKIM signature.

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