C#怎么调用QQ_Mail发送邮件

本篇内容主要讲解“C#怎么调用QQ_Mail发送邮件”，感兴趣的朋友不妨来看看。本文介绍的方法操作简单快捷，实用性强。下面就让小编来带大家学习“C#怎么调用QQ_Mail发送邮件”吧!

代码案例一：

private void button1_Click(object sender, EventArgs e)        {            string myMaillAdress = "";            string myMaillPassWord = "";            string myMaillMessage = "";            string toMaillAdress = "";            QQEmail qq_mial = new QQEmail();            bool send_status = qq_mial.IsSendEmail(myMaillAdress, toMaillAdress, myMaillMessage, myMaillPassword);        }        class QQEmail        {            public bool IsSendEmail(string FromAddress, string ToAddress, string Message, string Pwd)            {                MailAddress Address = new MailAddress(FromAddress);                MailMessage mail = new MailMessage();                mail.SubjectEncoding = System.Text.Encoding.UTF8;                mail.Subject = "这是" + FromAddress + "发送的一段信息：";                mail.BodyEncoding = System.Text.Encoding.UTF8;                mail.Body = Message;                mail.IsBodyhtml = true;                mail.Priority = System.net.Mail.MailPriority.Low;                mail.To.Add(ToAddress);                mail.From = Address;                SmtpClient smtp = new SmtpClient("smtp.qq.com", 25);//smtp支持的服务器是smtp.qq.com，服务器端口是25,587也行                smtp.DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network;                smtp.EnableSsl = true;                smtp.UseDefaultCredentials = false;                smtp.Credentials = new System.Net.NetworkCredential(FromAddress, Pwd);//切记这两个数据一定要填对                try                {                    smtp.Send(mail);                    return true;                }                catch (Exception ex)                {                    System.windows.FORMs.MessageBox.Show(ex.Message);                    return false;                }            }        }

 代码案例二：

using log4net;using System;using System.Collections.Generic;using System.Linq;using System.Net;using System.Net.Mail;using System.Net.Security;using System.Security.Cryptography.X509Certificates;using System.Text;namespace BLL{    public class emailHandle    {        private string _serviceType = "SMTP";        private string _host;        /// <summary>        /// 发送者邮箱        /// </summary>        public string From { get; set; }        /// <summary>        /// 接收者邮箱列表        /// </summary>        public List<string> To { get; set; }        /// <summary>        /// 抄送者邮箱列表        /// </summary>        public string[] Cc { get; set; }        /// <summary>        /// 秘抄者邮箱列表        /// </summary>        public string[] Bcc { get; set; }        /// <summary>        /// 邮件主题        /// </summary>        public string Subject { get; set; }        /// <summary>        /// 邮件内容        /// </summary>        public string Body { get; set; }        /// <summary>        /// 是否是HTML格式        /// </summary>        public bool IsBodyHtml { get; set; }        /// <summary>        /// 附件列表        /// </summary>        public string[] Attachments { get; set; }        /// <summary>        /// 邮箱服务类型(Pop3,SMTP,IMAP,MAIL等)，默认为SMTP        /// </summary>        public string ServiceType        {            get { return _serviceType; }            set { _serviceType = value; }        }        /// <summary>        /// 邮箱服务器，如果没有定义邮箱服务器，则根据serviceType和Sender组成邮箱服务器        /// </summary>        public string Host        {            get { return _host; }            set { _host = value; }        }        /// <summary>        /// 邮箱账号(默认为发送者邮箱的账号)        /// </summary>        public string UserName { get; set; }        /// <summary>        /// 邮箱密码(默认为发送者邮箱的密码)，默认格式GB2312        /// </summary>        public string Password { get; set; }        /// <summary>        /// 邮箱优先级        /// </summary>        public MailPriority MailPriority { get; set; }        /// <summary>        ///  邮件正文编码格式        /// </summary>        public Encoding Encoding { get; set; }        /// <summary>        /// 构造参数，发送邮件，使用方法备注：公开方法中调用        /// </summary>        public int Send()        {            var mailMessage = new MailMessage();            //读取To  接收者邮箱列表            try            {                if (this.To != null && this.To.Count > 0)                {                    foreach (string to in this.To)                    {                        if (string.IsNullOrEmpty(to)) continue;                        mailMessage.To.Add(new MailAddress(to.Trim()));                    }                }                //读取Cc  抄送者邮件地址                if (this.Cc != null && this.Cc.Length > 0)                {                    foreach (var cc in this.Cc)                    {                        if (string.IsNullOrEmpty(cc)) continue;                        mailMessage.CC.Add(new MailAddress(cc.Trim()));                    }                }                //读取Attachments 邮件附件                if (this.Attachments != null && this.Attachments.Length > 0)                {                    foreach (var attachment in this.Attachments)                    {                        if (string.IsNullOrEmpty(attachment)) continue;                        mailMessage.Attachments.Add(new Attachment(attachment));                    }                }                //读取Bcc 秘抄人地址                if (this.Bcc != null && this.Bcc.Length > 0)                {                    foreach (var bcc in this.Bcc)                    {                        if (string.IsNullOrEmpty(bcc)) continue;                        mailMessage.Bcc.Add(new MailAddress(bcc.Trim()));                    }                }                //读取From 发送人地址                mailMessage.From = new MailAddress(this.From);                //邮件标题                Encoding encoding = Encoding.GetEncoding("GB2312");                mailMessage.Subject = this.Subject;                //邮件正文是否为HTML格式                mailMessage.IsBodyHtml = this.IsBodyHtml;                //邮件正文                mailMessage.Body = this.Body;                mailMessage.BodyEncoding = this.Encoding;                //邮件优先级                mailMessage.Priority = this.MailPriority;                //发送邮件代码实现                var smtpClient = new SmtpClient                {                    Host = this.Host,                    EnableSsl = true,                    Credentials = new NetworkCredential(this.UserName, this.Password)                };//加这段之前用公司邮箱发送报错：根据验证过程，远程证书无效//加上后解决问题                ServicePointManager.ServerCertificateValidationCallback =delegate(Object obj, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors) { return true; };                //认证                smtpClient.Send(mailMessage);                return 1;            }            catch (Exception ex)            {                var loger = LogManager.GetLogger(typeof(emailHandle));                loger.Info(string.Format("发送邮件异常,收信邮箱：{0}", this.To[0]), ex);                return -1;            }        }    }}

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