/// <summary>
/// 发送邮件,如果发送过程出现错误则会抛出异常
/// </summary>
/// <param name="message">邮件内容</param>
public void Send(MailMessage message)
{
if (this.Server.UseLocalService) //采用本地邮件服务
{
if (message.To.Count < 1)
{
return;
}
Exception ex = null;
try
{
string[] mailMX = DnsMxRecord.Query(message.To[0]);
if (mailMX != null)
{
this.BeforeLocalSend(message);
foreach (string mx in mailMX)
{
//构造SMTP的连接器
SmtpClient smtp = this.GetSmtpClient(mx, MailServer.DefaultPort);
try
{
smtp.Send(message);
ex = null;
break;
}
catch (Exception e)
{
ex = e;
}
}
}
}
catch { }
//如果没有发送成功.则抛出最后一个错误
if (ex != null)
{
throw ex;
}
}
else
{
//构造SMTP的连接器
SmtpClient smtp = this.GetSmtpClient(this.Server.HostName, this.Server.Port);
smtp.Send(message);
}
}
/// <summary>
/// 异步发送邮件,如果发送过程出现错误则会抛出异常
/// </summary>
/// <param name="message">邮件内容</param>
/// <param name="userToken">一个用户定义对象，此对象将被传递给完成异步操作时所调用的方法。</param>
public void SendAsync(MailMessage message, object userToken)
{
if (this.Server.UseLocalService) //采用本地邮件服务
{
if (message.To.Count < 1)
{
return;
}
try
{
string[] mailMX = DnsMxRecord.Query(message.To[0]);
if (mailMX != null && mailMX.Length > 0)
{
this.BeforeLocalSend(message);
SendCompletedToken token = new SendCompletedToken()
{
MxRecords = mailMX,
Index = 0,
Port = MailServer.DefaultPort,
Message = message,
UserToken = userToken
};
//构造SMTP的连接器
SmtpClient smtp = this.GetSmtpClient(mailMX[token.Index], token.Port);
smtp.SendCompleted += MailSendCompleted;
smtp.SendAsync(message, token);
}
}
catch { }
}
else
{
//构造SMTP的连接器
SmtpClient smtp = this.GetSmtpClient(this.Server.HostName, this.Server.Port);
smtp.SendCompleted += this.SendCompleted;
smtp.SendAsync(message, userToken);
}
}