C#发送邮件

using System.Net.Mail;

/// <summary>
    /// 发送邮件
   /// </summary>
    /// <param name="toname">收件人名称</param>
    /// <param name="toemail">收件人邮件地址</param>
   /// <param name="smtpclient">伺服器</param>
    /// <param name="fromname">发件人名称</param>
    /// <param name="fromemail">发件人邮件地址</param>
    /// <param name="password">发件人邮箱密码</param>
   /// <param name="subject">邮件标题</param>
   /// <param name="body">邮件主体</param>
   /// <returns></returns>
    public bool SendEmailForGetpass(string toname, string toemail, string smtpclient, string fromname, string fromemail, string password, string subject, string body)
    {
        try
        {
            MailAddress from = new MailAddress(fromemail, fromname);
            MailAddress to = new MailAddress(toemail, toname);
            MailMessage message = new MailMessage(from, to);
            message.Subject = subject;
            message.Body = body;
            message.Priority = MailPriority.High;
            message.IsBodyHtml = true;

            SmtpClient client = new SmtpClient(smtpclient);//伺服器,如"smtp.163.com"
            client.Credentials = new System.Net.NetworkCredential(fromemail, password);
            client.Send(message);

            return true;
        }
        catch (Exception e)
        {
            return false;
        }
    }

调用：SendEmailForGetpass("收件人名称", "xx@xx.com", "smtp.163.com", "发件人名称", "xx@xx.com","xxxx","标题","主体");

 

 

如果碰上"身份验证失败的情况",则使用System.Web.Mail发送

 

public bool SendMail(string to, string title, string content)
    { 
        System.Web.Mail.MailMessage mail = new System.Web.Mail.MailMessage();
        mail.Body = content;
        mail.From = "XXX@XXX.cn";
        mail.Subject = title;
        mail.To = to;
        mail.BodyEncoding = System.Text.Encoding.UTF8;
        mail.BodyFormat = System.Web.Mail.MailFormat.Html;
        mail.Fields.Add("http://schemas.microsoft.com/cdo/configuration/smtpauthenticate", 1);
        mail.Fields.Add("http://schemas.microsoft.com/cdo/configuration/sendusername", "XXX@XXX.cn");//邮箱帐号
        mail.Fields.Add("http://schemas.microsoft.com/cdo/configuration/sendpassword", "XXX");//密码
        System.Web.Mail.SmtpMail.SmtpServer = "XXX"; //伺服器
        try 
        {
            System.Web.Mail.SmtpMail.Send(mail); 
            return true; 
        } 
        catch (Exception ex) 
        { 
            return false;
        } 
    }