public void Load()
{
var s = PrivateKeySigner.LoadFromFile(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "mycert.pem"));
s.Sign(Encoding.Default.GetBytes("some text to sign."), SigningAlgorithm.RSASha1);
}
public void Create()
{
var s = PrivateKeySigner.Create(PrivateKey);
s.Sign(Encoding.Default.GetBytes("some text to sign."), SigningAlgorithm.RSASha1);
}
public void Valid_send_sign_DomainKey_then_DKIM(string headers)
{
var msg = new MailMessage();
msg.To.Add(new MailAddress(_to, "Jim Bob"));
msg.From = new MailAddress(_from, "Joe Bloggs");
msg.Subject = "Test DomainKeys & DKIM Message";
msg.Body = "A simple message";
var domainKeySigner = new DomainKeySigner(PrivateKeySigner.Create(_privateKey), _domain, _selector, GetHeaders(headers));
msg.DomainKeySign(domainKeySigner);
var dkimSigner = new DkimSigner(PrivateKeySigner.Create(_privateKey), _domain, _selector, GetHeaders(headers));
msg.DkimSign(dkimSigner);
var smtp = new SmtpClient();
smtp.Send(msg);
}
private static void GetDkimSigners()
{
try
{
var files = new DirectoryInfo(Config.PrivateKeyFolder).GetFiles("*.pem");
if (files.Length == 0)
{
throw new Exception("No private key files (*.pem) found");
}
foreach (var file in files)
{
var key = file.Name.Replace(".pem", "");
var selector = key.Split('@')[0];
var domain = key.Split('@')[1];
var pKeySig = PrivateKeySigner.LoadFromFile(file.FullName);
var dkimSig = new DkimSigner(pKeySig, domain, selector, new[] { "From", "To", "Subject" });
var domainKeySig = new DomainKeySigner(pKeySig, domain, selector, new[] { "From", "To", "Subject" });
dkimSig.HeaderCanonicalization = DkimCanonicalizationAlgorithm.RELAXED;
dkimSig.BodyCanonicalization = DkimCanonicalizationAlgorithm.RELAXED;
_dkimSignerCache.TryAdd(key, dkimSig);
_domailKeySignerCache.TryAdd(key, domainKeySig);
}
}
catch (Exception ex)
{
Logger.Log.Warn("Unable to turn on DKIM: {0}", ex.Message);
}
}
public void Load()
{
var tempFile = Path.GetTempFileName();
File.WriteAllText(tempFile, PrivateKey);
var s = PrivateKeySigner.LoadFromFile(tempFile);
s.Sign(Encoding.Default.GetBytes("some text to sign."), SigningAlgorithm.RSASha1);
}
public void TestInitialize()
{
Message = new System.Net.Mail.MailMessage();
Message.To.Add(new MailAddress("*****@*****.**", "Jim Bob"));
Message.From = new MailAddress("*****@*****.**", "Joe Bloggs");
Message.Subject = "Test DKIM Message";
Message.Body = "A simple message";
Smtp = new SmtpClient();
Smtp.DeliveryMethod = SmtpDeliveryMethod.SpecifiedPickupDirectory;
Smtp.PickupDirectoryLocation = Path.GetTempPath();
DkimSigner = new DkimSigner(PrivateKeySigner.Create(PrivateKey), "acme.com", "dkim", GetHeaders("From,To,Subject"));
DomainKeySigner = new DomainKeySigner(PrivateKeySigner.Create(PrivateKey), "acme.com", "dkim", GetHeaders("From,To,Subject"));
}
private static bool SendEmailInternal(string to, string subject, string body, string replyToName, string replyToEmail)
{
try
{
if (Debugger.IsAttached || Configuration.GetSMTPUserName().IsNullOrEmpty())
{
HttpContext.Current.Response.Write(subject + " " + body);
return(false);
}
var privateKey = PrivateKeySigner.Create(Configuration.GetDomainKey());
using (var client = new SmtpClient())
{
var message = new MailMessage();
message.To.Add(new MailAddress(to));
if (!replyToEmail.IsNullOrEmpty())
{
ActionExtensions.TryAction(() => message.ReplyToList.Add(new MailAddress(replyToEmail, replyToName)));
}
message.From = new MailAddress("*****@*****.**", "rssheap");
message.Subject = subject;
message.Body = body;
message.IsBodyHtml = true;
var domainKeySigner = new DomainKeySigner(privateKey, "rssheap.com", "abc", new string[] { "From", "To", "Subject" });
message.DomainKeySign(domainKeySigner);
var dkimSigner = new DkimSigner(privateKey, "rssheap.com", "abc", new string[] { "From", "To", "Subject" });
message.DkimSign(dkimSigner);
client.Host = "192.99.232.179";
client.Port = 25;
client.UseDefaultCredentials = false;
client.Credentials = new NetworkCredential(Configuration.GetSMTPUserName(), Configuration.GetSMTPPassword());
client.EnableSsl = false;
client.Send(message);
}
}
catch
{
return(false);
}
return(true);
}
public static void SendEmailWithDKIP(string subject, string body)
{
if (Configuration.GetSMTPUserName().IsNullOrEmpty())
{
return;
}
var privateKey = PrivateKeySigner.Create(Configuration.GetDomainKey());
var msg = new MailMessage();
msg.To.Add(new MailAddress("*****@*****.**"));
msg.From = new MailAddress("*****@*****.**", "rssheap");
msg.Subject = subject;
msg.Body = body;
var domainKeySigner = new DomainKeySigner(privateKey, "rssheap.com", "abc", new string[] { "From", "To", "Subject" });
msg.DomainKeySign(domainKeySigner);
var dkimSigner = new DkimSigner(privateKey, "rssheap.com", "abc", new string[] { "From", "To", "Subject" });
msg.DkimSign(dkimSigner);
var client = new SmtpClient
{
Host = "192.99.232.179",
Port = 25,
UseDefaultCredentials = false,
Credentials = new NetworkCredential(Configuration.GetSMTPUserName(), Configuration.GetSMTPPassword()),
EnableSsl = false
};
try
{
client.Send(msg);
}
catch
{
string bp = string.Empty;
}
}
public void Create()
{
var s = PrivateKeySigner.Create(
@"-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----");
s.Sign(Encoding.Default.GetBytes("some text to sign."), SigningAlgorithm.RSASha1);
}
public void SendSignedEmail()
{
var message = new MailMessage();
message.To.Add(new MailAddress("*****@*****.**", "Port25"));
message.From = new MailAddress(ConfigurationManager.AppSettings["from"]);
message.Subject = @"test©";
// message contains white space
// message.Body = @"abc©
// © ©
// ©
//
//
//";
// message.IsBodyHtml = false;
// message.Body = @"
//line 1
//
//line 2
//
//line 3";
message.AlternateViews.Add(AlternateView.CreateAlternateViewFromString("text", Encoding.ASCII, "text/plain"));
message.AlternateViews.Add(AlternateView.CreateAlternateViewFromString("html", Encoding.ASCII, "text/html"));
var privateKey = PrivateKeySigner.Create(ConfigurationManager.AppSettings["privatekey"], SigningAlgorithm.RSASha1);
var dkim = new DkimSigner(
privateKey,
ConfigurationManager.AppSettings["domain"],
ConfigurationManager.AppSettings["selector"],
new string[] { "From", "To", "Subject" }
);
var debugger = new ConsoleDebug();
dkim.Debug = debugger;
dkim.Encoding = Encoding.ASCII;
dkim.BodyCanonicalization = DkimCanonicalizationAlgorithm.Relaxed;
var signedMessage = dkim.SignMessage(message);
var text = signedMessage.GetText();
debugger.WriteLine();
debugger.WriteContent("dkim", text);
// var domainkey = new DomainKeySigner(
//privateKey,
//ConfigurationManager.AppSettings["domain"],
//ConfigurationManager.AppSettings["selector"],
//new string[] { "From", "To", "Subject" }
//);
//signedMessage = domainkey.SignMessage(signedMessage);
//text = signedMessage.GetText();
//debugger.WriteContent("domainkey", text);
new SmtpClient().Send(signedMessage);
}
