.net core 使用MailKit发送邮件

配置类

namespace Configs
{
    /// <summary>
    /// 邮箱配置
    /// </summary>
    public class EMailConfig
    {
        /// <summary>
        /// SMTP服务器
        /// </summary>
        /// <value></value>
        public string SMTPService { get; set; }
        /// <summary>
        /// 端口
        /// </summary>
        /// <value></value>
        public int Port { get; set; }
        /// <summary>
        /// 登录帐号
        /// </summary>
        /// <value></value>
        public string UserName { get; set; }
        /// <summary>
        /// 登录密码
        /// </summary>
        /// <value></value>
        public string Password { get; set; }
        /// <summary>
        /// 发件人
        /// </summary>
        /// <value></value>
        public string FromEmail { get; set; }
        public EMailConfig() { }

        public EMailConfig(string smtpService, int port, string userName, string password, string fromEmail)
        {
            SMTPService = smtpService;
            Port = port;
            UserName = userName;
            Password = password;
            FromEmail = fromEmail;
        }
    }
}

方法

/// <summary>
/// 发送电子邮件
/// </summary>
/// <param name="config">配置</param>
/// <param name="toEmail">收件人</param>
/// <param name="subj">主题</param>
/// <param name="bodys">内容</param>
public static async Task SendMailAsync(EMailConfig config, string toMail, string subj, string bodys)
{
    string host = config.SMTPService;//qq邮箱
    int port = config.Port;
    string from = config.FromEmail;
    string to = toMail;
    string userName = config.UserName;
    string password = config.Password;

    var message = new MimeMessage();
    message.From.Add(new MailboxAddress(from));
    message.To.AddRange(new MailboxAddress[] { new MailboxAddress(to) });
    message.Subject = subj;
    message.Body = new TextPart(TextFormat.Html)
    {
        Text = bodys
    };
    SmtpClient client = new SmtpClient();
    await client.ConnectAsync(host, port, port == 465);//465端口是ssl端口
    await client.AuthenticateAsync(userName, password);
    await client.SendAsync(message);
    await client.DisconnectAsync(true);
    client.MessageSent += new EventHandler<MailKit.MessageSentEventArgs>((sender, e) =>
    {
        System.Console.WriteLine(e.Response);
    });
}