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is there any why to use DKIM authentification with telnet smtp connection using these commands : Ehlo Mail From Rcpt-To Data QUIT

Let's say that i have already the private and public key generated:

The private key stored in a file in my server and the public key is propagated with my domain DNS.

How i can tell to SMTP remote server (eg gmail or hotmail..) that i want to use DKIM using telnet only?

Rob
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ELYAS
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1 Answers1

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DKIM is something you have to do yourself BEFORE connecting to an SMTP server. There are no SMTP commands to DKIM sign a message for you.

jstedfast
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  • Hello , yes i get it , now i tried to form the signature , every thing is clear but the "b=" parameter i didin't find a way to compose it , any advice? – ELYAS Jun 17 '19 at 20:51
  • Read the spec and implement it? I don't know what else to tell you. I had no problems implementing it... – jstedfast Jun 17 '19 at 20:59
  • See my answer to your other DKIM question and upvote my answer: https://stackoverflow.com/questions/56615230/how-to-calculate-b-parameter-in-dkim-signature – jstedfast Jun 17 '19 at 21:01