怎么用C#.NET实现发送邮件功能

这篇文章主要讲解了"怎么用C#.NET实现发送邮件功能"，文中的讲解内容简单清晰，易于学习与理解，下面请大家跟着小编的思路慢慢深入，一起来研究和学习"怎么用C#.NET实现发送邮件功能"吧！

复制代码 代码如下:

using System;using System.Collections.Generic;using System.Text;using System.Net.Mail;using System.Net;namespace MyQuery.Utils{    /// 
    /// 封装邮件处理    /// by 贾世义 2011-6-3    /// 
    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;        /// 
        /// 设置发送邮件参数        /// 
        /// smtp服务器地址或名称        /// smtp服务端口 一般为25        /// 是否需要认证        /// 需要认证时的用户        /// 需要认证时的用户的密码        public static void SetParameters(string host, int port, bool isUserCredentials, string account, string password)        {            smtpHost = host;            smptPort = port;            smtpIsUserCredentials = isUserCredentials;            smtpCredentialAccount = account;            smtpCredentialPassword = password;        }        /// 
        /// 设置发送邮件参数 取配置        /// 
        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");            }        }        /// 
        /// 发送邮件 发送邮件错误不会抛出异常        /// 
        /// 收件人        /// 标题/主题        /// 信件内容        /// 发件人 空则取系统配置        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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