發送郵箱需要開通POP3/SMTP服務，否則QQ郵箱，網易郵箱等會報錯。
public static class EmailHelper
{
///<summary>
///發送郵件
///</summary>
///<paramname="subject">郵件主題</param>
///<paramname="msg">郵件內容</param>
///<paramname="filePath">附件地址，如果不添加附件傳null或""</param>
///<paramname="senderEmail">發送人郵箱地址</param>
///<paramname="senderPwd">發送人郵箱密碼</param>
///<paramname="recipientEmail">接收人郵箱</param>
public static void SendMail(string subject, string msg, stringfilePath, string senderEmail, string senderPwd, params string[]recipientEmail)
{
if (!CheckIsNotEmptyOrNull(subject, msg,senderEmail, senderPwd) || recipientEmail == null ||recipientEmail.Length == 0)
{
throw newException("輸入信息無效");
}
try
{
string[] sendFromUser =senderEmail.Split('@');
//構造一個Email的Message對象
MailMessage message = newMailMessage();
//確定smtp服務器地址。實例化一個Smtp客戶端
System.Net.Mail.SmtpClientclient = new System.Net.Mail.SmtpClient("smtp." +sendFromUser[1]);
//構造發件人地址對象
message.From = newMailAddress(senderEmail, sendFromUser[0],Encoding.UTF8);
//構造收件人地址對象
foreach (string userName inrecipientEmail)
{
message.To.Add(new MailAddress(userName, userName.Split('@')[0],Encoding.UTF8));
}
if(!string.IsNullOrEmpty(filePath))
{
Attachmentattach = new Attachment(filePath);
//得到文件的信息
ContentDisposition disposition =attach.ContentDisposition;
disposition.CreationDate =System.IO.File.GetCreationTime(filePath);
disposition.ModificationDate =System.IO.File.GetLastWriteTime(filePath);
disposition.ReadDate =System.IO.File.GetLastAccessTime(filePath);
//向郵件添加附件
message.Attachments.Add(attach);
}
//添加郵件主題和內容
message.Subject =subject;
message.SubjectEncoding =Encoding.UTF8;
message.Body =msg;
message.BodyEncoding =Encoding.UTF8;
//設置郵件的信息
client.DeliveryMethod =SmtpDeliveryMethod.Network;
message.BodyEncoding =System.Text.Encoding.UTF8;
message.IsBodyHtml =false;
//如果服務器支持安全連接，則將安全連接設爲true。
//gmail,qq支持，163不支持
switch(sendFromUser[1])
{
case"gmail.com":
case"qq.com":
client.EnableSsl = true;
break;
default:
client.EnableSsl = false;
break;
}
//設置用戶名和密碼。
client.UseDefaultCredentials= false;
//用戶登陸信息
NetworkCredentialmyCredentials = new NetworkCredential(senderEmail,senderPwd);
client.Credentials =myCredentials;
//發送郵件
client.Send(message);
}
catch (Exception ex)
{
throw (ex);
}
}
///<summary>
///驗證所有傳入字符串不能爲空或null
///</summary>
///<paramname="ps">參數列表</param>
///<returns>都不爲空或null返回true，否則返回false</returns>
public static bool CheckIsNotEmptyOrNull(params string[]ps)
{
if (ps != null)
{
foreach (string item inps)
{
if(string.IsNullOrEmpty(item)) return false;
}
return true;
}
return false;
}
}
