//获取邮件超时时间
private static int GetTimeoutMilliSeconds(MyMailMessage myMailMessage)
{
if (myMailMessage.TimeoutSeconds > 0)
{
return(myMailMessage.TimeoutSeconds * 1000);
}
else
{
return(300 * 1000); //5分钟
}
}
private List <Attachment> GetAttachments(MyMailMessage myMailMessage)
{
List <Attachment> result = new List <Attachment>();
if (!string.IsNullOrEmpty(myMailMessage.Attachments))
{
Regex regex = new Regex("<([^<>]+)>"); //包含在<...>之中的字符串
foreach (Match match in regex.Matches(myMailMessage.Attachments))
{
Attachment attachment = GetAttachment(match);
if (attachment != null)
{
result.Add(attachment);
}
}
}
return(result);
}
public void SendEmail(MyMailMessage myMailMessage)
{
#region 获取并验证发送参数
myMailMessage.To = (myMailMessage.To == null ? string.Empty : myMailMessage.To.Trim());
myMailMessage.Cc = (myMailMessage.Cc == null ? string.Empty : myMailMessage.Cc.Trim());
myMailMessage.Bcc = (myMailMessage.Bcc == null ? string.Empty : myMailMessage.Bcc.Trim());
if (myMailMessage.To.Length == 0 && myMailMessage.Cc.Length == 0 && myMailMessage.Bcc.Length == 0)
{
throw new Exception("收件方邮件地址不能全为空！");
}
string REG_EMAIL = @"\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*";
if (myMailMessage.To.Length > 0 && !Regex.IsMatch(myMailMessage.To, REG_EMAIL))
{
throw new Exception("收件人邮件地址不正确！");
}
if (myMailMessage.Cc.Length > 0 && !Regex.IsMatch(myMailMessage.Cc, REG_EMAIL))
{
throw new Exception("抄送邮件地址不正确！");
}
if (myMailMessage.Bcc.Length > 0 && !Regex.IsMatch(myMailMessage.Bcc, REG_EMAIL))
{
throw new Exception("密送邮件地址不正确！");
}
myMailMessage.To = myMailMessage.To.Replace(";", ",").TrimEnd(',');
myMailMessage.Cc = myMailMessage.Cc.Replace(";", ",").TrimEnd(',');
myMailMessage.Bcc = myMailMessage.Bcc.Replace(";", ",").TrimEnd(',');
myMailMessage.Body = myMailMessage.Body + "\n\n";
#endregion
#region 构造邮件消息并发送
MailMessage mailMessage = new MailMessage();
mailMessage.From = new MailAddress(myMailMessage.ServiceAccount, myMailMessage.DisplayName);
if (myMailMessage.To.Length > 0)
{
mailMessage.To.Add(myMailMessage.To);
}
if (myMailMessage.Cc.Length > 0)
{
mailMessage.CC.Add(myMailMessage.Cc);
}
if (myMailMessage.Bcc.Length > 0)
{
mailMessage.Bcc.Add(myMailMessage.Bcc);
}
mailMessage.Subject = myMailMessage.Subject;
mailMessage.Body = myMailMessage.Body;
mailMessage.SubjectEncoding = _Encoding;
mailMessage.BodyEncoding = _Encoding;
mailMessage.IsBodyHtml = true;
List <Attachment> attachments = GetAttachments(myMailMessage);
foreach (Attachment item in attachments)
{
mailMessage.Attachments.Add(item);
}
SmtpClient smtpClient = new SmtpClient(myMailMessage.SmtpServer);
smtpClient.DeliveryMethod = SmtpDeliveryMethod.Network;
smtpClient.Port = myMailMessage.Port;
smtpClient.UseDefaultCredentials = true;
smtpClient.Credentials = new NetworkCredential(myMailMessage.ServiceAccount, myMailMessage.ServiceAccountPwd);
smtpClient.EnableSsl = myMailMessage.EnableSsl;
smtpClient.Timeout = GetTimeoutMilliSeconds(myMailMessage);
try
{
smtpClient.Send(mailMessage);
}
catch (Exception ex)
{
//写日志
LogUtil.Write(ex.ToString(), LogLevel.Error, "SendEmail");
}
smtpClient.Dispose();
mailMessage.Dispose();
#endregion
}