Visual Basic

MailMessage mail = new MailMessage();
 mail.To = txtTo.Text;
 mail.Bcc =txtBcc.Text;
 mail.From = txtFrom.Text
 mail.Subject = txtSubject.Text;
 mail.Body = txtBody.Text;
 SmtpMail.SmtpServer = txtSmpt.Text; //your real server goes here or
 //you can add the address like "smtp.mailserver.com"
 SmtpMail.Send(mail);

Imports System.Net.Mail

Public Class Form1

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

    End Sub

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Try
            Dim SmtpServer As New SmtpClient()
            Dim mail As New MailMessage()
            SmtpServer.Credentials = New  _
  Net.NetworkCredential("My mail", "password")
            SmtpServer.Port = 587
            SmtpServer.Host = "smtp.gmail.com"
            mail = New MailMessage()
            mail.From = New MailAddress("my mail")
            mail.To.Add("textbox1.text")
            mail.Subject = "Test Mail"
            mail.Body = ("textbox2.text")
            SmtpServer.Send(mail)
            MsgBox("mail send")
        Catch ex As Exception
            MsgBox(ex.ToString)
        End Try

    End Sub

   
End Class

Johrans wrote:

mail.To.Add("textbox1.text")

Johrans wrote:

mail.Body = ("textbox2.text")

Johrans wrote:

This is yellow whats wrong?

Johrans wrote:

smtp.server send(mail

Encoding.Unicode.GetBytes(YourString);