B4X Requires Chilkat v11.0.0+

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. B4X

Dim success As Boolean = False

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

Dim imap As ChilkatImap
imap.Initialize("imap")

'  Connect to an IMAP server.
'  Use TLS
imap.Ssl = True
imap.Port = 993
success = imap.Connect("mail.testemail.net")
If success = False Then
    Log(imap.LastErrorText)
    Return
End If


'  Login
success = imap.Login("***", "***")
If success = False Then
    Log(imap.LastErrorText)
    Return
End If


'  Select an IMAP mailbox
success = imap.SelectMailbox("Inbox")
If success = False Then
    Log(imap.LastErrorText)
    Return
End If


'  After selecting a mailbox, the NumMessages property
'  contains the number of emails in the selected mailbox.
Dim n As Int
n = imap.NumMessages

If n > 0 Then

    '  The oldest email is always at sequence number 1.
    Dim isUid As Boolean = False

    Dim oldestEmail As ChilkatEmail
    oldestEmail.Initialize
    success = imap.FetchEmail(False, 1, isUid, oldestEmail)
    If success = False Then
        Log(imap.LastErrorText)
        Return
    End If


    '  Display the From and Subject
    Log(oldestEmail.FromAddress)
    Log(oldestEmail.Subject)

    Log("--")

    '  The newest email is at sequence number N:
    Dim newestEmail As ChilkatEmail
    newestEmail.Initialize
    success = imap.FetchEmail(False, n, isUid, newestEmail)
    If success = False Then
        Log(imap.LastErrorText)
        Return
    End If


    '  Display the From and Subject
    Log(newestEmail.FromAddress)
    Log(newestEmail.Subject)

End If


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