Buenas
1) Está prohibido revivir temas antiguos para preguntar, debes formular tu duda en un nuevo post.
2) Debes mostrar tu código si esperas poder recibir mejor ayuda.
3) La razón del error:
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated
That error message is typically caused by one of the following:
Incorrect connection settings, such as the wrong port specified for the secured or non-secured connection
Incorrect credentials. I would verify the username and password combination, to make sure the credentials are correct.
4) Un ejemplo que a mi me funciona:
' GMail Sender
' By Elektro
'
' Usage Examples :
' GMailSender("Username@Gmail.com", "Password", "Email Subject", "Message Body", "Receiver@Address.com")
'
''' <summary>
''' Sends an e-mail through GMail service.
''' </summary>
''' <param name="Username">Indicates the GMail account username.</param>
''' <param name="Password">Indicates the GMail account password.</param>
''' <param name="Subject">Indicates e-mail subject.</param>
''' <param name="Body">Indicates e-mail body.</param>
''' <param name="Addresses">Indicates the address(es) to send.</param>
Private Sub GMailSender(ByVal Username As String,
ByVal Password As String,
ByVal Subject As String,
ByVal Body As String,
ByVal Addresses As String)
Using MailSetup As New System.Net.Mail.MailMessage
MailSetup.Subject = Subject
MailSetup.To.Add(Addresses)
MailSetup.From = New System.Net.Mail.MailAddress(Username)
MailSetup.Body = Body
Using SMTP As New System.Net.Mail.SmtpClient("smtp.gmail.com")
SMTP.Port = 587
SMTP.EnableSsl = True
SMTP.Credentials = New Net.NetworkCredential(Username, Password)
SMTP.Send(MailSetup)
End Using ' SMTP
End Using ' MailSetup
End Sub
Tema cerrado.
Autor
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