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  Dicas

  Visual Basic    (Internet)

Título da Dica:  Enviando emails com WinSock
Postada em 29/1/2003 por Felipe            
Dim Response As String, Reply As Integer, DateNow As String
Dim first As String, Second As String, Third As String
Dim Fourth As String, Fifth As String, Sixth As String
Dim Seventh As String, Eighth As String
Dim Start As Single, Tmr As Single



Sub SendEmail(MailServerName As String, FromName As String, FromEmailAddress As String, ToName As String, ToEmailAddress As String, EmailSubject As String, EmailBodyOfMessage As String)
          
    Winsock1.LocalPort = 0 ' Must set local port to 0 (Zero) or you can only send 1 e-mail pre program start
    
If Winsock1.State = sckClosed Then ' Check to see if socet is closed
    DateNow = Format(Date, "Ddd") & ", " & Format(Date, "dd Mmm YYYY") & " " & Format(Time, "hh:mm:ss") & "" & " -0600"
    first = "mail from:" + Chr(32) + FromEmailAddress + vbCrLf ' Get who's sending E-Mail address
    Second = "rcpt to:" + Chr(32) + ToEmailAddress + vbCrLf ' Get who mail is going to
    Third = "Date:" + Chr(32) + DateNow + vbCrLf ' Date when being sent
    Fourth = "From:" + Chr(32) + FromName + vbCrLf ' Who's Sending
    Fifth = "To:" + Chr(32) + ToNametxt + vbCrLf ' Who it going to
    Sixth = "Subject:" + Chr(32) + EmailSubject + vbCrLf ' Subject of E-Mail
    Seventh = EmailBodyOfMessage + vbCrLf ' E-mail message body
    Ninth = "mouse mailer" + vbCrLf ' What program sent the e-mail, customize this
    Eighth = Fourth + Third + Ninth + Fifth + Sixth  ' Combine for proper SMTP sending

    Winsock1.Protocol = sckTCPProtocol ' Set protocol for sending
    Winsock1.RemoteHost = MailServerName ' Set the server address
    Winsock1.RemotePort = 25 ' Set the SMTP Port
    Winsock1.Connect ' Start connection
    
    WaitFor ("220")
    
    StatusTxt.Caption = "Connecting...."
    StatusTxt.Refresh
    
    Winsock1.SendData ("HELO worldcomputers.com" + vbCrLf)

    WaitFor ("250")

    StatusTxt.Caption = "Connected"
    StatusTxt.Refresh

    Winsock1.SendData (first)

    StatusTxt.Caption = "Sending Message"
    StatusTxt.Refresh

    WaitFor ("250")

    Winsock1.SendData (Second)

    WaitFor ("250")

    Winsock1.SendData ("data" + vbCrLf)
    
    WaitFor ("354")


    Winsock1.SendData (Eighth + vbCrLf)
    Winsock1.SendData (Seventh + vbCrLf)
    Winsock1.SendData ("." + vbCrLf)

    WaitFor ("250")

    Winsock1.SendData ("quit" + vbCrLf)
    
    StatusTxt.Caption = "Disconnecting"
    StatusTxt.Refresh

    WaitFor ("221")

    Winsock1.Close
Else
    MsgBox (Str(Winsock1.State))
End If
  
End Sub
Sub WaitFor(ResponseCode As String)
    Start = Timer ' Time event so won't get stuck in loop
    While Len(Response) = 0
        Tmr = Start - Timer
        DoEvents ' Let System keep checking for incoming response **IMPORTANT**
        If Tmr > 50 Then ' Time in seconds to wait
            MsgBox "SMTP service error, timed out while waiting for response", 64, MsgTitle
            Exit Sub
        End If
    Wend
    While Left(Response, 3) <> ResponseCode
        DoEvents
        If Tmr > 50 Then
            MsgBox "SMTP service error, impromper response code. Code should have been: " + ResponseCode + " Code recieved: " + Response, 64, MsgTitle
            Exit Sub
        End If
    Wend
Response = "" ' Sent response code to blank **IMPORTANT**
End Sub


Private Sub Command1_Click()
    SendEmail txtEmailServer.Text, txtFromName.Text, txtFromEmailAddress.Text, txtToEmailAddress.Text, txtToEmailAddress.Text, txtEmailSubject.Text, txtEmailBodyOfMessage.Text
    'MsgBox ("Mail Sent")
    StatusTxt.Caption = "Mail Sent"
    StatusTxt.Refresh
    Beep
    
    Close
End Sub

Private Sub Command2_Click()
    
    End
    
End Sub

Private Sub Winsock1_DataArrival(ByVal bytesTotal As Long)

    Winsock1.GetData Response ' Check for incoming response *IMPORTANT*

End Sub
 


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