【NET】C#.NET发送邮件的实例代码-发送-邮件

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C#.NET发送邮件的实例代码

using System;
using System.Collections.Generic;
using System.Text;
using System.Net.Mail;
using System.Net;
namespace MyQuery.Utils
{
    /// <summary>
    /// 封装邮件处理
    /// by 贾世义 2011-6-3
    /// </summary>
    public static class MailHelper
    {
        private static string smtpHost=null;
        private static int smptPort=25;
        private static bool smtpIsUserCredentials=false;
        private static string smtpCredentialAccount=null;
        private static string smtpCredentialPassword=null;
        /// <summary>
        /// 设置发送邮件参数
        /// </summary>
        /// <param name="host">smtp服务器地址或名称</param>
        /// <param name="port">smtp服务端口 一般为25</param>
        /// <param name="isUserCredentials">是否需要认证</param>
        /// <param name="account">需要认证时的用户</param>
        /// <param name="password">需要认证时的用户的密码</param>
        public static void SetParameters(string host, int port, bool isUserCredentials, string account, string password)
        {
            smtpHost=host;
            smptPort=port;
            smtpIsUserCredentials=isUserCredentials;
            smtpCredentialAccount=account;
            smtpCredentialPassword=password;
        }
        /// <summary>
        /// 设置发送邮件参数 取配置
        /// </summary>
        private static void setParameters()
        {
            if (String.IsNullOrEmpty(smtpHost))
            {
                smtpHost=WebHelper.GetAppConfig("SmtpHost");
                smptPort=DataHelper.GetIntValue(WebHelper.GetAppConfig("SmptPort"), 25);
                smtpIsUserCredentials=Constants.TRUE_ID.Equals(WebHelper.GetAppConfig("SmtpIsUserCredentials"));
                smtpCredentialAccount=WebHelper.GetAppConfig("SmtpCredentialAccount");
                smtpCredentialPassword=WebHelper.GetAppConfig("SmtpCredentialPassword");
            }
        }
        /// <summary>
        /// 发送邮件 发送邮件错误不会抛出异常
        /// </summary>
        /// <param name="receivers">收件人</param>
        /// <param name="title">标题/主题</param>
        /// <param name="content">信件内容</param>
        /// <param name="sender">发件人 空则取系统配置</param>
        public static void SendMail(string receivers, string title, string content, string sender)
        {
            if (!String.IsNullOrEmpty(receivers))
            {
                //初始化参数
                setParameters();
                if (!String.IsNullOrEmpty(smtpHost))
                {
                    try
                    {
                        SmtpClient smtp=new SmtpClient(smtpHost, smptPort);
                        if (smtpIsUserCredentials)
                        {
                            smtp.UseDefaultCredentials=true;
                            smtp.Credentials=new NetworkCredential(smtpCredentialAccount, smtpCredentialPassword); ;
                        }
                        smtp.DeliveryMethod=SmtpDeliveryMethod.Network;
                        if (String.IsNullOrEmpty(sender))
                        {
                            sender=smtpCredentialAccount;
                        }
                        foreach (string receiver in DataHelper.GetStrings(receivers))
                        {
                            MailMessage msg=new MailMessage(sender, receiver, title, content);
                            msg.BodyEncoding=Encoding.UTF8;
                            msg.SubjectEncoding=Encoding.UTF8;
                            msg.IsBodyHtml=true;
                            smtp.Send(msg);
                            msg.Dispose();
                        }
                    }
                    catch { }
                }
            }
        }
    }
}

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