private static SmtpClient GetSmtpClient(SmtpServer setting)
{
var client = new SmtpClient()
{
DeliveryMethod = SmtpDeliveryMethod.Network,
Host = setting.Host,
EnableSsl = setting.UseSSL,
Timeout = 18000000,
};
if (setting.Port > 0 && setting.Port < 65536)
{
client.Port = setting.Port;
}
if (string.IsNullOrEmpty(setting.Username) || string.IsNullOrEmpty(setting.Password))
{
client.UseDefaultCredentials = true;
}
else
{
var credetntial = new NetworkCredential(setting.Username, setting.Password);
client.UseDefaultCredentials = false;
client.Credentials = credetntial;
}
return(client);
}
static void Main(string[] args)
{
var server = new SmtpServer {
Host = "smtp.qq.com", Username = "******", Password = "******", Port = 25, Sender = "*****@*****.**", UseSSL = true
};
var smtpClient = GetSmtpClient(server);
ServicePointManager.ServerCertificateValidationCallback = (a, b, c, d) => true;
smtpClient.Send(server.Sender, "*****@*****.**", "123", "222");
}