(VBScript) Fetch Oldest/Newest IMAP Email

Emails may be downloaded by sequence number. Assuming the selected mailbox is not empty, the oldest email is at sequence number 1, and the newest email is at sequence number N. The FetchSingle method may be used to download by sequence number.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

Dim fso, outFile
Set fso = CreateObject("Scripting.FileSystemObject")
Set outFile = fso.CreateTextFile("output.txt", True)

set imap = CreateObject("Chilkat_9_5_0.Imap")

' Anything unlocks the component and begins a fully-functional 30-day trial.
success = imap.UnlockComponent("Anything for 30-day trial")
If (success <> 1) Then
    outFile.WriteLine(imap.LastErrorText)
    WScript.Quit
End If

' Connect to an IMAP server.
' Use TLS
imap.Ssl = 1
imap.Port = 993
success = imap.Connect("mail.testemail.net")
If (success <> 1) Then
    outFile.WriteLine(imap.LastErrorText)
    WScript.Quit
End If

' Login
success = imap.Login("***","***")
If (success <> 1) Then
    outFile.WriteLine(imap.LastErrorText)
    WScript.Quit
End If

' Select an IMAP mailbox
success = imap.SelectMailbox("Inbox")
If (success <> 1) Then
    outFile.WriteLine(imap.LastErrorText)
    WScript.Quit
End If

' After selecting a mailbox, the NumMessages property
' contains the number of emails in the selected mailbox.

n = imap.NumMessages

If (n > 0) Then

    ' The oldest email is always at sequence number 1.
    isUid = 0

    ' oldestEmail is a Chilkat_9_5_0.Email
    Set oldestEmail = imap.FetchSingle(1,isUid)
    If (imap.LastMethodSuccess = 1) Then

        ' Display the From and Subject
        outFile.WriteLine(oldestEmail.FromAddress)
        outFile.WriteLine(oldestEmail.Subject)

        outFile.WriteLine("--")

    End If

    ' The newest email is at sequence number N:

    ' newestEmail is a Chilkat_9_5_0.Email
    Set newestEmail = imap.FetchSingle(n,isUid)
    If (imap.LastMethodSuccess = 1) Then

        ' Display the From and Subject
        outFile.WriteLine(newestEmail.FromAddress)
        outFile.WriteLine(newestEmail.Subject)

    End If

End If

' Disconnect from the IMAP server.
success = imap.Disconnect()

outFile.Close