OpenSmtp发送邮件问题
在发送时候出现OpenSmtp.Mail.SmtpException: ERROR - Expecting: 235. Recieved: 535 auth failure
at OpenSmtp.Mail.Smtp.CheckForError(String s, String successCode)
at OpenSmtp.Mail.Smtp.AuthLogin(NetworkStream& nwstream)
at OpenSmtp.Mail.Smtp.SendMail(MailMessage msg)
at SendEmail.Form2.button1_Click(Object sender, EventArgs e) in d:\sendemail\sendemail\form2.cs:line 132
什么毛病
补充:.NET技术 , C#