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im trying to send email from vb.net get error msg .... "The SMTP" server require scour connection or the client was not authenticated" 

Dim Smtp_Server As New SmtpClient
Dim e_mail As New MailMessage()
Smtp_Server.UseDefaultCredentials = False
Smtp_Server.Credentials = New Net.NetworkCredential("[email protected]", "*******")
Smtp_Server.Port = 587
Smtp_Server.EnableSsl = True
Smtp_Server.Host = "smtp.gmail.com"

e_mail = New MailMessage()
e_mail.From = New MailAddress("[email protected]", "Ejaz Sarwar")
e_mail.To.Add("[email protected]")
e_mail.Subject = "Email Sending"
e_mail.IsBodyHtml = False
e_mail.Body = txtSunCovered.Text
Smtp_Server.Send(e_mail)
MsgBox("Mail Sent")
jmcilhinney
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Ejaz Sarwar
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  • @jmcilhinney for advise ... – Ejaz Sarwar Sep 26 '19 at 09:58
  • Possible duplicate of [The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.5.1 Authentication Required.?8](https://stackoverflow.com/questions/29074463/the-smtp-server-requires-a-secure-connection-or-the-client-was-not-authenticated) – Ryan Roos Sep 26 '19 at 15:15

0 Answers0