I guess the classes that deal with smtp all lie in inside the
System.Web.Mail namespace. The code snippet below is done in vb.net but you can suitably alter it to the language of your liking. I have just started normal winodows application project, added a few text boxes, labels and two buttons. Before typing out the code you should all the
System.Web.MailSystem.Wed.dll reference to your project.
Imports System.Web.Mail
Public Class frmInvMailer
Inherits System.Windows.Forms.Form
#Region " Windows Form Designer generated code "
'Purpose fully omitted
#End Region
Private Sub btnCancel_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCancel.Click
Me.Close()
End Sub
Private Sub btnSend_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSend.Click
Dim email As New MailMessage
email.From = txtFrom.Text
email.To = txtTo.Text
email.Subject = txtSub.Text
email.Body = rtxt.Text
SmtpMail.SmtpServer = "172.16.45.21" 'This is the IP of your SMTP server.
SmtpMail.Send(email)
End Sub
End Class
