Web简单的发送邮件激活功能(带附件)

//命名空间using System.Net.Mail;
/// <summary>
/// 发送邮件
/// </summary>
/// <param name="fromemail">发件人邮箱</param>
/// <param name="pwd">发件人密码</param>
/// <param name="toemail">收件人邮箱</param>
/// <param name="subject">主题</param>
/// <param name="body">内容</param>
/// <param name="file">附件</param>

/// <returns></returns>
public static bool send(string fromemail, string pwd, string toemail, string subject, string body,string file)
{
Attachment objMailAttachment = new Attachment(file);//发送邮件的附件
SmtpClient client = new SmtpClient();
client.Host = "smtp." + fromemail.Remove(0, fromemail.IndexOf("@") + 1);
client.UseDefaultCredentials = false;
client.Credentials = new System.Net.NetworkCredential(fromemail, pwd);
client.DeliveryMethod = SmtpDeliveryMethod.Network;
MailMessage message = new MailMessage(fromemail, toemail);
message.Attachments.Add(objMailAttachment);//将附件附加到邮件消息对象中
message.Subject = subject;
message.Body = body;
message.BodyEncoding = Encoding.UTF8;
message.IsBodyHtml = true;
try
{
client.Send(message);
return true;
}
catch
{
throw;
}
}

public bool SendMail(string smtpserver, string username, string pwd, MailMessage MailIn)
{
SmtpClient mailClient = null;
try
{
mailClient = new SmtpClient(smtpserver);
mailClient.UseDefaultCredentials = false;
//if (!string.IsNullOrEmpty(username))
mailClient.Credentials = new NetworkCredential(username, pwd);
mailClient.DeliveryMethod = SmtpDeliveryMethod.Network;
//mailClient.Timeout = 50;//同步发送邮件的超时时间。
mailClient.Timeout = 50000;
//if (MailIn == null || ((MailIn.To == null || MailIn.To.Count == 0)))
//    return false;
mailClient.Send(MailIn);
}
catch (Exception e)
{
//记录日志。
//LogHelper.Error("MailHandler", "邮件发送失败:" + e.Message);
//WriteLogFile("邮件发送失败：" + e.Message);
return false;
}
return true;
}

string fromemail = SkyCenter.Config.SettingsProvider.Instance().GetSettingsInfo("SmtpUsername").KeyValue;
string pwd = SkyCenter.Config.SettingsProvider.Instance().GetSettingsInfo("SmtpPassword").KeyValue;
string smtp = SkyCenter.Config.SettingsProvider.Instance().GetSettingsInfo("SmtpServer").KeyValue;
string toemail = SkyCenter.Config.SettingsProvider.Instance().GetSettingsInfo("WebMasterEmail").KeyValue;

MailMessage message = new MailMessage(fromemail, toemail);
Attachment objMailAttachment = new Attachment(Information);//发送邮件的附件
message.Subject = "品牌";
message.Body = sb.ToString();
message.BodyEncoding = Encoding.UTF8;
message.IsBodyHtml = true;
message.Attachments.Add(objMailAttachment);//将附件附加到邮件消息对象中
if (SendMail(smtp, fromemail.Substring(0, fromemail.IndexOf("@")), pwd, message))
{
//if (send("品牌", sb.ToString(), Information))
//{
base.Alert("品牌成功,已发送邮件！");
}