C# (CSharp) DKIM DkimSigner.GenerateDkimHeaderValue Examples

GenerateDkimHeaderValue() public method

public GenerateDkimHeaderValue ( Email email ) : string
email	Email
return	string

Example #1

        public static MailMessage DkimSign([NotNull] this MailMessage message, DkimSigner signer)
        {
            if (message == null)
            {
                throw new ArgumentNullException("message");
            }

            if (signer == null)
            {
                throw new ArgumentNullException("signer");
            }

            message.BodyEncoding    = signer.Encoding;
            message.SubjectEncoding = signer.Encoding;
            message.HeadersEncoding = signer.Encoding;


            // get email content and generate initial signature
            var email = Email.Parse(message.GetText());

            if (!CanSign(email))
            {
                throw new InvalidOperationException("Unable to Domain Key sign the message");
            }

            var value = signer.GenerateDkimHeaderValue(email);



            // signature value get formatted so add dummy signature value then remove it
            message.Headers.Prepend(DkimSigner.SignatureKey, value + new string('0', 70));
            email = message.Parse();
            var formattedSig = email.Headers[DkimSigner.SignatureKey].Value;

            email.Headers[DkimSigner.SignatureKey].Value = formattedSig.Substring(0, formattedSig.Length - 70);



            // sign email
            value += signer.GenerateSignature(email);
            message.Headers.Set(DkimSigner.SignatureKey, value);


            return(message);
        }

Example #2

File: MailMessageExtensions.cs Project: dmcgiv/DKIM.Net

        public static MailMessage DkimSign([NotNull]this MailMessage message, DkimSigner signer)
        {

            if (message == null)
            {
                throw new ArgumentNullException("message");
            }

            if (signer == null)
            {
                throw new ArgumentNullException("signer");
            }

            message.BodyEncoding = signer.Encoding;
            message.SubjectEncoding = signer.Encoding;
            message.HeadersEncoding = signer.Encoding;


            // get email content and generate initial signature
            var email = Email.Parse(message.GetText());

            if (!CanSign(email))
            {
                throw new InvalidOperationException("Unable to Domain Key sign the message");
            }

            var value = signer.GenerateDkimHeaderValue(email);



            // signature value get formatted so add dummy signature value then remove it
            message.Headers.Prepend(DkimSigner.SignatureKey, value + new string('0', 70));
            email = message.Parse();
            var formattedSig = email.Headers[DkimSigner.SignatureKey].Value;
            email.Headers[DkimSigner.SignatureKey].Value = formattedSig.Substring(0, formattedSig.Length - 70);



            // sign email
            value += signer.GenerateSignature(email);
            message.Headers.Set(DkimSigner.SignatureKey, value);


            return message;
        }