Already setup yahoo email with 2step authentication and created app password but email still failure send ?
Dim smtp As New System.Net.Mail.SmtpClient smtp.Host = "mail.yahoo.com" smtp.Credentials = New System.Net.NetworkCredential("[email protected]", "passwordyahoo") smtp.UseDefaultCredentials = False smtp.EnableSsl = True smtp.Port = 465 Which code is wrong and how to fix this problem