ESmtpMail esm = new ESmtpMail;

esm.IsHTML = false;//不用html格式

//加入对方地址

esm.AddRecipient("aaa@bbb.com")

//最多收件人

esm.MailRecipientNum = 1;

//邮件标题

esm.MailSubject = "你好";

//邮件内容

esm.MailBody = "测试";

//邮件服务器,假设为163

esm.MailDomain = "smtp.163.com";

//认证用户名

esm.MailServerUserName = "username";

//密码

esm.MailServerPassWord = "password";

//发送地址

esm.MailFrom = "aaa@163.com";

//发送人姓名

esm.MailFromName = "代码测试";

//是否需要smtp验证，163需要

esm.MailSMTPvalidate = true;

//开始发送

if (esm.send())

{

//显示成功信息

}

else

{

//显示错误信息

//esm.ErrorMessage为错误信息

//esm.logs 为日志

//esm.HtmlLogs为html格式的日志

}