public static SMTPTestResult TestMailServer(string MailServer, int Port, bool TryOtherPorts)
{
SMTPTestResult result = new SMTPTestResult();
result.Server = MailServer;
if (AttemptMailServer(MailServer, Port, false, out result.Response))
{
//First try the requested port, without SSL.
result.Found = true;
result.UsedSSL = false;
result.OriginalPortSuccess = true;
result.FinalPort = Port;
return(result);
}
else if (AttemptMailServer(MailServer, Port, true, out result.Response))
{
//Try the requested port, with SSL.
result.Found = true;
result.UsedSSL = true;
result.OriginalPortSuccess = true;
result.FinalPort = Port;
return(result);
}
else if (TryOtherPorts && Port != 465 && AttemptMailServer(MailServer, 465, true, out result.Response))
{
//Try port 465 with SSL
result.Found = true;
result.UsedSSL = true;
result.OriginalPortSuccess = false;
result.FinalPort = 465;
return(result);
}
else if (TryOtherPorts && Port != 25 && AttemptMailServer(MailServer, 25, false, out result.Response))
{
//Try port 25, without SSL.
result.Found = true;
result.UsedSSL = false;
result.OriginalPortSuccess = false;
result.FinalPort = 25;
return(result);
}
else if (TryOtherPorts && Port != 25 && AttemptMailServer(MailServer, 25, true, out result.Response))
{
//Try port 25, with SSL.
result.Found = true;
result.UsedSSL = true;
result.OriginalPortSuccess = false;
result.FinalPort = 25;
return(result);
}
else if (TryOtherPorts && Port != 587 && AttemptMailServer(MailServer, 587, false, out result.Response))
{
//Try port 587, without SSL.
result.Found = true;
result.UsedSSL = false;
result.OriginalPortSuccess = false;
result.FinalPort = 587;
return(result);
}
else if (TryOtherPorts && Port != 587 && AttemptMailServer(MailServer, 587, true, out result.Response))
{
//Try port 587, with SSL.
result.Found = true;
result.UsedSSL = true;
result.OriginalPortSuccess = false;
result.FinalPort = 587;
return(result);
}
else
{
result.Found = false;
result.OriginalPortSuccess = false;
result.FinalPort = Port;
return(result);
}
}
public static SMTPTestResult TestMailServer(string MailServer, int Port, bool TryOtherPorts)
{
SMTPTestResult result = new SMTPTestResult();
result.Server = MailServer;
if (AttemptMailServer(MailServer, Port, false, out result.Response))
{
//First try the requested port, without SSL.
result.Found = true;
result.UsedSSL = false;
result.OriginalPortSuccess = true;
result.FinalPort = Port;
return result;
}
else if (AttemptMailServer(MailServer, Port, true, out result.Response))
{
//Try the requested port, with SSL.
result.Found = true;
result.UsedSSL = true;
result.OriginalPortSuccess = true;
result.FinalPort = Port;
return result;
}
else if (TryOtherPorts && Port != 465 && AttemptMailServer(MailServer, 465, true, out result.Response))
{
//Try port 465 with SSL
result.Found = true;
result.UsedSSL = true;
result.OriginalPortSuccess = false;
result.FinalPort = 465;
return result;
}
else if (TryOtherPorts && Port != 25 && AttemptMailServer(MailServer, 25, false, out result.Response))
{
//Try port 25, without SSL.
result.Found = true;
result.UsedSSL = false;
result.OriginalPortSuccess = false;
result.FinalPort = 25;
return result;
}
else if (TryOtherPorts && Port != 25 && AttemptMailServer(MailServer, 25, true, out result.Response))
{
//Try port 25, with SSL.
result.Found = true;
result.UsedSSL = true;
result.OriginalPortSuccess = false;
result.FinalPort = 25;
return result;
}
else if (TryOtherPorts && Port != 587 && AttemptMailServer(MailServer, 587, false, out result.Response))
{
//Try port 587, without SSL.
result.Found = true;
result.UsedSSL = false;
result.OriginalPortSuccess = false;
result.FinalPort = 587;
return result;
}
else if (TryOtherPorts && Port != 587 && AttemptMailServer(MailServer, 587, true, out result.Response))
{
//Try port 587, with SSL.
result.Found = true;
result.UsedSSL = true;
result.OriginalPortSuccess = false;
result.FinalPort = 587;
return result;
}
else
{
result.Found = false;
result.OriginalPortSuccess = false;
result.FinalPort = Port;
return result;
}
}