無法從VB.net發送電子郵件

Question

這是我使用GMAIL和VB.NET發送電子郵件的代碼：

        Try
            Dim SmtpServer As New SmtpClient()
            SmtpServer.Credentials = New Net.NetworkCredential("mygmailid@gmail.com", "mypassword")
            SmtpServer.Port = 587
            SmtpServer.Host = "smtp.gmail.com"
            SmtpServer.EnableSsl = True

            mail = New MailMessage()
            mail.From = New MailAddress("mygmailid@gmail.com", "Asked for help", System.Text.Encoding.UTF8)
            Mail.To.Add("sendtoemail@id")
            Mail.Subject = "A help query has been raised"
            mail.Body = frm_dashboard.user_data_fetch.Item(1, 0).Value.ToString + " " + ask_for_help.txt_message_ask_help.Text
            SmtpServer.Send(Mail)
            MessageBox.Show("Mail sent")
        Catch ex As Exception
            MsgBox(ex.ToString())
            MessageBox.Show("Oops something went wrong.")
        End Try

但這告訴我這個錯誤：

Answer 1

這是我輸入的順序，您可能要嘗試以下操作：

Dim SMTP As New SmtpClient("smtp.gmail.com")
SMTP.Credentials = New System.Net.NetworkCredential("gmailID", "password")
SMTP.EnableSsl = True
SMTP.Port = "587"
SMTP.Send(Mail)

另請注意，在傳遞憑據時，我實際上並沒有使用“ @ gmail.com”。