/// <summary>
/// 获取安全套接字选项
/// </summary>
/// <returns></returns>
protected virtual SecureSocketOptions GetSecureSocketOption()
{
var config = _mailKitConfigProvider.GetConfig();
if (config.SecureSocketOption.HasValue)
{
return(config.SecureSocketOption.Value);
}
var emailConfig = _emailConfigProvider.GetConfig();
return(emailConfig.EnableSsl ? SecureSocketOptions.SslOnConnect : SecureSocketOptions.StartTlsWhenAvailable);
}
/// <summary>
/// 配置SMTP客户端
/// </summary>
/// <param name="client">SMTP客户端</param>
protected virtual void ConfigureClient(SmtpClient client)
{
var emailConfig = _emailConfigProvider.GetConfig();
var mailKitConfig = _mailKitConfigProvider.GetConfig();
if (mailKitConfig.ServerCertificateValidationCallback.HasValue)
{
client.ServerCertificateValidationCallback = (s, c, h, e) => mailKitConfig.ServerCertificateValidationCallback.Value;
}
client.Connect(emailConfig.Host, emailConfig.Port, GetSecureSocketOption());
if (emailConfig.UseDefaultCredentials)
{
return;
}
client.Authenticate(emailConfig.UserName, emailConfig.Password);
}
/// <summary>
/// 开始发送邮件
/// </summary>
protected void StartSendMail()
{
var sw = new Stopwatch();
try
{
while (true)
{
if (_tryStop)
{
break;
}
if (_mailQueueProvider.IsEmpty)
{
WriteLog("队列是空，开始睡眠", LogLevel.Trace);
var config = _emailConfigProvider.GetConfig();
Thread.Sleep(config.SleepInterval);
continue;
}
if (_mailQueueProvider.TryDequeue(out var box))
{
WriteLog($"开始发送邮件 标题：{box.Subject}，收件人：{box.To.First()}", LogLevel.Information);
sw.Restart();
SendMail(box);
sw.Stop();
WriteLog($"发送邮件结束 标题：{box.Subject}，收件人：{box.To.First()}，耗时：{sw.Elapsed.TotalSeconds}",
LogLevel.Information);
}
}
}
catch (Exception e)
{
WriteLog($"循环中出错，线程即将结束：{e.Message}", LogLevel.Error);
IsRunning = false;
}
WriteLog("邮件发送线程即将停止，人为跳出循环，没有异常发生", LogLevel.Information);
_tryStop = false;
IsRunning = false;
}
/// <summary>
/// 生成SMTP客户端
/// </summary>
/// <returns></returns>
public SmtpClient BuildClient()
{
var config = _configProvider.GetConfig();
var host = config.Host;
var port = config.Port;
var smtpClient = new SmtpClient(host, port);
try
{
if (config.EnableSsl)
{
smtpClient.EnableSsl = true;
}
if (config.UseDefaultCredentials)
{
smtpClient.UseDefaultCredentials = true;
}
else
{
smtpClient.UseDefaultCredentials = false;
var userName = config.UserName;
if (!userName.IsEmpty())
{
var password = config.Password;
var domain = config.Domain;
smtpClient.Credentials = !domain.IsEmpty()
? new NetworkCredential(userName, password, domain)
: new NetworkCredential(userName, password);
}
}
return(smtpClient);
}
catch
{
smtpClient.Dispose();
throw;
}
}
