public static bool Send(string host, int port, string fromEmail, string fromName, string pwd, string path, string toUser, string title, string body)
{
//检测附件大小 发件必需小于10M 否则返回 不会执行以下代码
if (path != "")
{
if (!Attachment_MaiInit(path))
{
return(false);
}
}
if (host == "")
{
MessageBoxHelper.Show("请输入SMTP服务器名！");
return(false);
}
if (fromEmail == "")
{
MessageBoxHelper.Show("请输入发件人邮箱地址！");
return(false);
}
if (pwd == "")
{
MessageBoxHelper.Show("请输入发件人邮箱密码！");
return(false);
}
if (toUser.Length == 0)
{
MessageBoxHelper.Show("无效收件人！" + toUser);
return(false);
}
SmtpClient smtpClient = null; //设置SMTP协议
MailAddress mailAddress_from = null; //设置发信人地址 当然还需要密码
MailMessage mailMessage_Mai = null;
try
{
smtpClient = new SmtpClient();
smtpClient.Host = host; //指定SMTP服务名 例如QQ邮箱为 smtp.qq.com 新浪cn邮箱为 smtp.sina.cn等
smtpClient.Port = port; //指定端口号
smtpClient.Timeout = 0; //超时时间
}
catch (Exception Ex)
{
MessageBoxHelper.Show("邮件发送失败,请确定SMTP服务名是否正确！" + "\n" + "技术信息:\n" + Ex.Message);
return(false);
}
try
{
mailAddress_from = new System.Net.Mail.MailAddress(fromEmail, fromName);
//指定发件人信息 包括邮箱地址和邮箱密码
smtpClient.Credentials = new System.Net.NetworkCredential(mailAddress_from.Address, pwd);
}
catch (Exception Ex)
{
MessageBoxHelper.Show("邮件发送失败,请确定发件邮箱地址和密码的正确性！" + "\n" + "技术信息:\n" + Ex.Message);
return(false);
}
//清空历史发送信息 以防发送时收件人收到的错误信息(收件人列表会不断重复)
//mailMessage_Mai.To.Clear();
mailMessage_Mai = new MailMessage();
string[] toUsers = toUser.Split(';');
//添加收件人邮箱地址
foreach (string str in toUsers)
{
mailMessage_Mai.To.Add(new MailAddress(str));
}
//MessageBox.Show("收件人：" + dataGridViewX1.Rows.Count.ToString() + " 个");
//发件人邮箱
mailMessage_Mai.From = mailAddress_from;
//邮件主题
mailMessage_Mai.Subject = title;
mailMessage_Mai.SubjectEncoding = System.Text.Encoding.UTF8;
//邮件正文
mailMessage_Mai.Body = body;
mailMessage_Mai.BodyEncoding = System.Text.Encoding.UTF8;
//清空历史附件 以防附件重复发送
mailMessage_Mai.Attachments.Clear();
//添加附件
mailMessage_Mai.Attachments.Add(new Attachment(path, MediaTypeNames.Application.Octet));
//注册邮件发送完毕后的处理事件
// smtpClient.SendCompleted += callback;
//开始发送邮件
//smtpClient.SendAsync(mailMessage_Mai, "000000000");
smtpClient.Send(mailMessage_Mai);
return(true);
}