Sample code for 30+ languages & platforms
AutoIt

Number of Messages in a POP3 Mailbox

Get the number of messages in a POP3 mailbox.

Chilkat AutoIt Downloads

AutoIt
;  This example assumes the Chilkat API to have been previously unlocked.
;  See Global Unlock Sample for sample code.

;  The mailman object is used for receiving (POP3) 
;  and sending (SMTP) email.
$oMailman = ObjCreate("Chilkat.MailMan")

;  Set the POP3 server's hostname
$oMailman.MailHost = "pop.example.com"

;  Set the POP3 login/password.
$oMailman.PopUsername = "myLogin"
$oMailman.PopPassword = "****"

;  Get the number of messages in the mailbox.
Local $iNumMessages = $oMailman.GetMailboxCount()
ConsoleWrite($iNumMessages & @CRLF)