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(.NET Core C#) Sending S/MIME Encrypted EmailSends an encrypted email using the recipient's digital certificate from a .cer file.
// This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // The mailman object is used for sending and receiving email. Chilkat.MailMan mailman = new Chilkat.MailMan(); // Set the SMTP server. mailman.SmtpHost = "smtp.comcast.net"; // Load the .cer file into a certificate object. // When sending S/MIME encrypted email, it is the recipient's // certificate that is used for encryption. Only the public key // is needed to encrypt. The recipient is the only // one possessing the private key, and therefore is the only // one able to decrypt. Chilkat.Cert cert = new Chilkat.Cert(); bool success = cert.LoadFromFile("cknotes.cer"); if (success != true) { Debug.WriteLine(cert.LastErrorText); return; } // Create a new email object Chilkat.Email email = new Chilkat.Email(); email.Subject = "This email is encrypted"; email.Body = "This is a digitally encrypted mail"; email.From = "Chilkat Support <support@chilkatsoft.com>"; success = email.AddTo("Chilkat Blog","admin@cknotes.com"); // Indicate that the email is to be sent encrypted. email.SendEncrypted = true; // Specify the certificate to be used for encryption. success = email.SetEncryptCert(cert); success = mailman.SendEmail(email); if (success != true) { Debug.WriteLine(mailman.LastErrorText); } else { Debug.WriteLine("Mail Sent!"); } |
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