C#： 发送邮件

SendEmail.cs

using System.Net.Mail;
using System.Text;

public static class EmailUtil
{
    /// <summary>
    /// 发送邮件（无附件）
    /// </summary>
    /// <remarks>
    /// 如果抛出异常信息：“服务器响应为:5.7.1 [xxx@abc.com]: Relay access denied”
    /// 则需要邮件服务器将客户端IP添加到信任。
    /// </remarks>
    /// <param name="title">邮件标题</param>
    /// <param name="content">邮件内容</param>
    /// <param name="receiverEmail">接受人邮箱地址</param>
    public static bool SendEmail(string title, string content, string receiverEmail)
    {
        string strAccount = "xxx@gmail.com";
        string strPwd = "your_password";
        // 邮件服务器
        var smtpServer = "smtp.gmail.com";

        var smtpClient = new SmtpClient
        {
            DeliveryMethod = SmtpDeliveryMethod.Network,
            Host = smtpServer,
            Credentials = new System.Net.NetworkCredential(strAccount, strPwd),
        };

        var mailMessage = new MailMessage(strAccount, receiverEmail)
        {
            Subject = title,
            Body = content,
            BodyEncoding = Encoding.UTF8,
            IsBodyHtml = true,
            Priority = MailPriority.High
        };

        smtpClient.Send(mailMessage);

        return true;
    }
}