public static class EmailHelper
{
/// <summary>
/// 发送邮件
/// </summary>
/// <param name=”subject”>邮件主题</param>
/// <param name=”msg”>邮件内容</param>
/// <param name=”filePath”>附件地址，如果不添加附件传null或””</param>
/// <param name=”senderEmail”>发送人邮箱地址</param>
/// <param name=”senderPwd”>发送人邮箱密码</param>
/// <param name=”recipientEmail”>接收人邮箱</param>
public static void SendMail(string subject, string msg, string filePath, string senderEmail, string senderPwd, params string[] recipientEmail)
{
if (!CheckIsNotEmptyOrNull(subject, msg, senderEmail, senderPwd) || recipientEmail == null || recipientEmail.Length == 0)
{
throw new Exception(“输入信息无效”);
}
try
{
string[] sendFromUser = senderEmail.Split(\\\’@\\\’);
//构造一个Email的Message对象
MailMessage message = new MailMessage();
//确定smtp服务器地址。实例化一个Smtp客户端
System.Net.Mail.SmtpClient client = new System.Net.Mail.SmtpClient(“smtp.” sendFromUser[1]);
//构造发件人地址对象
message.From = new MailAddress(senderEmail, sendFromUser[0], Encoding.UTF8);
//构造收件人地址对象
foreach (string userName in recipientEmail)
{
message.To.Add(new MailAddress(userName, userName.Split(\\\’@\\\’)[0], Encoding.UTF8));
}
if (!string.IsNullOrEmpty(filePath))
{
Attachment attach = 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);
//向邮件添加附件
message.Attachments.Add(attach);
}
//添加邮件主题和内容
message.Subject = subject;
message.SubjectEncoding = Encoding.UTF8;
message.Body = msg;
message.BodyEncoding = Encoding.UTF8;
//设置邮件的信息
client.DeliveryMethod = SmtpDeliveryMethod.Network;
message.BodyEncoding = System.Text.Encoding.UTF8;
message.IsBodyHtml = false;
//如果服务器支持安全连接，则将安全连接设为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;
}
//设置用户名和密码。
client.UseDefaultCredentials = false;
//用户登陆信息
NetworkCredential myCredentials = new NetworkCredential(senderEmail, senderPwd);
client.Credentials = myCredentials;
//发送邮件
client.Send(message);
}
catch (Exception ex)
{
throw (ex);
}
}
/// <summary>
/// 验证所有传入字符串不能为空或null
/// </summary>
/// <param name=”ps”>参数列表</param>
/// <returns>都不为空或null返回true，否则返回false</returns>
public static bool CheckIsNotEmptyOrNull(params string[] ps)
{
if (ps != null)
{
foreach (string item in ps)
{
if (string.IsNullOrEmpty(item)) return false;
}
return true;
}
return false;
}
}
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