private void sendMessageButton_Click(object sender, EventArgs e)
{
this.AddLogEntry("Creating message.");
// We create the message object
ActiveUp.Net.Mail.Message message = new ActiveUp.Net.Mail.Message();
// We assign the sender email
message.From.Email = this.fromEmailTextbox.Text;
// We assign the recipient email
message.To.Add(this.toEmailTextbox.Text);
// We assign the subject
message.Subject = this.subjectTextbox.Text;
// We assign the body text
message.BodyText.Text = this.bodyTextTextbox.Text;
// We send the email using the specified SMTP server
this.AddLogEntry("Sending message.");
try
{
SmtpClient smtpClient = new SmtpClient();
SslHandShake handShake = new SslHandShake("mail.activeup.com", System.Security.Authentication.SslProtocols.Ssl3);
handShake.ServerCertificateValidationCallback = MyServerCertificateValidationCallback;
this.AddLogEntry("Message sent successfully.");
}
catch (SmtpException ex)
{
this.AddLogEntry(string.Format("Smtp Error: {0}", ex.Message));
}
catch (Exception ex)
{
this.AddLogEntry(string.Format("Failed: {0}", ex.Message));
}
}
public string ConnectSsl(string host, int port, string user, string pass, SslHandShake sslHandShake)
{
this.OnConnecting();
base.Connect(host, port);
this.DoSslHandShake(sslHandShake);
string response = this.ReadLine();
this.OnConnected(new ActiveUp.Net.Mail.ConnectedEventArgs(response));
this.OnAuthenticating(new ActiveUp.Net.Mail.AuthenticatingEventArgs(user, pass, host));
response = this.Command("USER " + user);
string presponse = this.Command("PASS " + pass);
this.OnAuthenticated(new ActiveUp.Net.Mail.AuthenticatedEventArgs(user, pass, host, response));
/*response = this.Command("STAT");
var splited = response.Split(' ');
this._messageCount = System.Convert.ToInt32(splited[1]);
this._totalSize = System.Convert.ToInt32(splited[2]);*/
return presponse;
}
public IAsyncResult BeginConnectSsl(string host, string user, string pass, SslHandShake sslHandShake,
AsyncCallback callback)
{
return this.BeginConnectSsl(host, 995, user, pass, sslHandShake, callback);
}
public string ConnectSsl(string host, string user, string pass, SslHandShake sslHandShake)
{
return this.ConnectSsl(host, 995, user, pass, sslHandShake);
}
public IAsyncResult BeginConnectSsl(string host, int port, string user, string pass, SslHandShake sslHandShake,
AsyncCallback callback)
{
this._delegateConnectSslAuth = this.ConnectSsl;
return this._delegateConnectSslAuth.BeginInvoke(host, port, user, pass, sslHandShake, callback,
this._delegateConnectSslAuth);
}
public Boolean SendSessionedMail(Boolean UseSSL, Boolean UseMD5, System.Security.Authentication.SslProtocols protocol)
{
Message message = new Message();
ServerCollection Hosts = null;
int Port=0;
string UserName=string.Empty;
string Password=string.Empty;
bool PORTExist = false;
try
{
if (Session["From"] != null)
{
message.From.Email = Session["From"].ToString();
}
else
{
return false;
//throw new Exception("From Email is a mandatory information");
}
if (Session["FromName"] != null)
{
message.From.Name = Session["FromName"].ToString();
}
else
{
return false;
//throw new Exception("From Name is a mandatory information");
}
if (Session["To"] != null)
{
message.To.AddRange((AddressCollection)Session["To"]);
}
else
{
return false;
//throw new Exception("Email to is a mandatory information");
}
if (Session["CC"] != null)
{
message.Cc.AddRange((AddressCollection)Session["CC"]);
}
if (Session["BCC"] != null)
{
message.Bcc.AddRange((AddressCollection)Session["BCC"]);
}
if (Session["Subject"] != null)
{
message.Subject = Session["Subject"].ToString();
}
else
{
//May not be needed
//throw new Exception("Subject to is a mandatory information");
}
if (Session["BodyText"] != null)
{
message.BodyText.Text = Session["BodyText"].ToString();
}
if (Session["BodyHTML"] != null)
{
message.BodyHtml.Text = Session["BodyHTML"].ToString();
}
if (Session["Hosts"] != null)
{
Hosts = (ServerCollection)Session["Hosts"];
}
if (Session["Port"] != null)
{
Port = (int)Session["Port"];
PORTExist = true;
}
if (Session["User"] != null)
{
UserName = (string)Session["User"];
}
if (Session["Password"] != null)
{
Password = (string)Session["Password"];
}
//TODO - Need to find a way to manage multiple attachemnts
// Session is not a solution as it will generate too much network traffic
// Probably need to store it locally and associate with Session ID
if (UserName.Length > 0 && Password.Length > 0 && Hosts.Count > 0 && UseSSL)
{
//Use SSL to send mail
SmtpClient smtpClient = new SmtpClient();
SslHandShake handShake = new SslHandShake(Hosts[0].Host, protocol);
handShake.ServerCertificateValidationCallback = MyServerCertificateValidationCallback;
message.Send(Hosts[0].Host, UserName, Password, UseMD5 ? SaslMechanism.CramMd5 : SaslMechanism.Login);
return true;
}
else if (UserName.Length > 0 && Password.Length > 0 && Hosts.Count > 0 && PORTExist)
{
//Use Authentication for sending mail
message.Send(Hosts[0].Host, Port, UserName, Password, UseMD5 ? SaslMechanism.CramMd5 : SaslMechanism.Login);
return true;
}
else if ((UserName.Trim().Length == 0 || Password.Length == 0) && Hosts.Count > 0 && PORTExist)
{
//Use specified port for sending mail
message.Send(Hosts[0].Host, Port);
return true;
}
else if ((UserName.Trim().Length == 0 || Password.Length == 0) && Hosts.Count > 0 && !PORTExist)
{
//Send without authentication
message.Send(Hosts);
return true;
}
else
{
//Send directly without specifying a server
message.DirectSend();
return true;
}
return false;
}
catch (Exception ex)
{
return false;
}
finally
{
message = null;
}
}
