C#发送邮件

/// <summary>

/// 发送邮件

/// </summary>

/// <param name="to">收件人邮件地址</param>

/// <param name="from">发件人邮件地址</param>

/// <param name="subject">邮件主题</param>

/// <param name="body">邮件内容</param>

/// <param name="username">登录smtp主机时用到的用户名,注意是邮件地址'@'以前的部分</param>

/// <param name="password">登录smtp主机时用到的用户密码</param>

/// <param name="smtpHost">发送邮件用到的smtp主机</param>

public static void SendEmail(string to, string from, string subject, string body, string userName, string password, string smtpHost)

{

MailAddress from1 = new MailAddress(from);

MailAddress to1 = new MailAddress(to);

MailMessage message = new MailMessage(from1, to1);

message.Subject = subject;//设置邮件主题

message.IsBodyHtml = true;//设置邮件正文为html格式

message.Body = body;//设置邮件内容

SmtpClient client = new SmtpClient(smtpHost);

//设置发送邮件身份验证方式

//注意如果发件人地址是abc@def.com，则用户名是abc而不是abc@def.com，也有可能是abc！ 如QQ企业邮箱

client.Credentials = new NetworkCredential(userName, password);

client.Send(message);

}