一个工程的小块代码，发送邮件的。

 

using System;
using System.Web.Mail;
using System.Text.RegularExpressions;
namespace Model15.cmd
...{
    /**//// <summary>
    /// Control 的摘要说明。
    /// </summary>
    public class MyControl
    ...{
        public MyControl()
        ...{
            //
            // TODO: 在此处添加构造函数逻辑
            //
        }

        public static bool tryEmail(string strEmail)
        ...{
            bool bolResult = true;
            Regex myRegex = new Regex(@"^[w-]+@[w-]+.(com.cn|com|net|org|edu|mil)$");
            if(myRegex.Match(strEmail).Success)
            ...{
                bolResult = true;
            }
            else
            ...{
                bolResult = false;
            }
            return bolResult;
        }

        public static void infoDisplay(System.Web.UI.WebControls.Label objInfo,string strInfo,System.Drawing.Color objColor)
        ...{
            objInfo.ForeColor = objColor;
            objInfo.Text = strInfo;
        }

        /**//// <summary>
        /// 邮件发送
        /// </summary>
        /// <param name="strFrom">发件人</param>
        /// <param name="strTo">收件人，可以用";"插入多个收件人</param>
        /// <param name="strSubject">标题</param>
        /// <param name="strContent">邮件内容</param>
        public static void JrjSendMail(string strFrom, string strTo, string strSubject, string strContent)
        ...{
            MailMessage objMailMSG = new MailMessage();
            objMailMSG.Body = strContent;
            objMailMSG.BodyFormat = MailFormat.Html;
            objMailMSG.From = strFrom;
            objMailMSG.Subject = strSubject;
            objMailMSG.To = strTo;
            
            objMailMSG.Fields.Add("http://schemas.microsoft.com/cdo/configuration/smtpauthenticate", "1");
            objMailMSG.Fields.Add("http://schemas.microsoft.com/cdo/configuration/sendusername", "jrjlevel2");
            objMailMSG.Fields.Add("http://schemas.microsoft.com/cdo/configuration/sendpassword", "123456");
            
            System.Web.Mail.SmtpMail.SmtpServer = "smtp.sohu.com";
            //System.Web.Mail.SmtpMail.Send(objMailMSG);
            try
            ...{
                System.Web.Mail.SmtpMail.Send(objMailMSG);
            }
            catch
            ...{
                System.Web.HttpContext.Current.Response.Write("<br>发送到"+strTo+"出错？！！");
            }
        }

        public static void JrjSendMail(string strFrom, string strTo, string strSubject, string strContent,MailFormat objFormat,string MailServer)
        ...{
            MailMessage objMailMSG = new MailMessage();
            objMailMSG.Body = strContent;
            objMailMSG.BodyFormat = objFormat;
            objMailMSG.From = strFrom;
            objMailMSG.Subject = strSubject;
            objMailMSG.To = strTo;
            System.Web.Mail.SmtpMail.SmtpServer = MailServer;
            try
            ...{
                System.Web.Mail.SmtpMail.Send(objMailMSG);
            }
            catch
            ...{
                System.Web.HttpContext.Current.Response.Write("没有"+strTo+"这个用户");
            }
        }
    }
}