Bonjour

j'ai un problem d'envoi mail par vb net sachant que j'ai modifier les parametres de securite de mon compte et j'ai activé POP
erreur : échec lors de l'authentification.

voici le
Code : Sélectionner tout - Visualiser dans une fenêtre à part
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Imports System.Net.Mail
Public Class Form1
   Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
      ' Set the caption bar text of the form.   
      Me.Text = "tutorialspoint.com"
   End Sub
 
   Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
      Try
         Dim Smtp_Server As New SmtpClient
         Dim e_mail As New MailMessage()
         Smtp_Server.UseDefaultCredentials = False
         Smtp_Server.Credentials = New Net.NetworkCredential("username@gmail.com", "password")
         Smtp_Server.Port = 587
         Smtp_Server.EnableSsl = True
         Smtp_Server.Host = "smtp.gmail.com"
 
         e_mail = New MailMessage()
         e_mail.From = New MailAddress(txtFrom.Text)
         e_mail.To.Add(txtTo.Text)
         e_mail.Subject = "Email Sending"
         e_mail.IsBodyHtml = False
         e_mail.Body = txtMessage.Text
         Smtp_Server.Send(e_mail)
         MsgBox("Mail Sent")
 
      Catch error_t As Exception
         MsgBox(error_t.ToString)
      End Try
   End Sub