MailMessage.DKIMSign

MailMessage.DKIMSign method

Signs this message using DKIM (DomainKeys Identified Mail) signature.

public virtual MailMessage DKIMSign(RSACryptoServiceProvider rsa, DKIMSignatureInfo signatureInfo)
ParameterTypeDescription
rsaRSACryptoServiceProviderRSA class containing private key used for signing.
signatureInfoDKIMSignatureInfoDKIM signature information.

Examples

The following example shows how to sign Emails with DKIM.

[C#]

string privateKeyFile = "key2.pem";

var rsa = PemReader.GetPrivateKey(privateKeyFile);
var signInfo = new DKIMSignatureInfo("test", "some_email.com");
signInfo.Headers.Add("From");
signInfo.Headers.Add("Subject");

var mailMessage = new MailMessage("useremail@gmail.com", "test@gmail.com")
{
    Subject = "Signed DKIM message text body",
    Body = "This is a text body signed DKIM message"
};

var signedMsg = mailMessage.DKIMSign(rsa, signInfo);

[Visual Basic]

Dim privateKeyFile As String = "key2.pem"

Dim rsa = PemReader.GetPrivateKey(privateKeyFile)
Dim signInfo = New DKIMSignatureInfo("test", "some_email.com")
signInfo.Headers.Add("From")
signInfo.Headers.Add("Subject")

Dim mailMessage = New MailMessage("useremail@gmail.com", "test@gmail.com") With {
    .Subject = "Signed DKIM message text body",
    .Body = "This is a text body signed DKIM message"
}

Dim signedMsg = mailMessage.DKIMSign(rsa, signInfo)

See Also

MailMessage.Dispose MailMessage.Encrypt