【代码】C#发送邮件

直接上代码：

                /// <summary>
        /// 
        /// </summary>
        /// <param name="from">发送者</param>
        /// <param name="to">接受者</param>
        /// <param name="subject">标题</param>
        /// <param name="body">正文</param>
        /// <param name="host">服务器</param>
        /// <param name="username">用户名</param>
        /// <param name="password">密码</param>
        /// <returns>发送成功的条数</returns>
        public static int sendMail(string from, string to, string subject, string body, string host, string username, string password)
        {
            try
            {
                int n = 0;

                MailAddress fromAdd = new MailAddress(from);
                MailMessage mail = new MailMessage();

                mail.Subject = subject;
                mail.From = new MailAddress(from);
                mail.Body = body;
                mail.BodyEncoding = System.Text.Encoding.UTF8;
                mail.IsBodyHtml = true;
                mail.Priority = MailPriority.High;

                SmtpClient client = new SmtpClient();
                client.Host = host;
                client.UseDefaultCredentials = false;
                client.Credentials = new System.Net.NetworkCredential(username, password);
                client.DeliveryMethod = SmtpDeliveryMethod.Network;

                string[] toAdd = to.Split(';');


                foreach (string temp in toAdd)
                {
                    mail.To.Add(new MailAddress(temp));
                    client.Send(mail);
                    mail.To.Clear();
                    n++;
                    //WriteInfo("发送成功："+temp);
                }

                return n;
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }

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