Xbase++ Requires Chilkat v11.0.0+

Delete Email Individually (One at a time) from an IMAP Mailbox

Downloads email from an IMAP mailbox and deletes emails individually (one by one). Xbase++

LOCAL nSuccess
LOCAL oImap
LOCAL nFetchUids
LOCAL oMessageSet
LOCAL oBundle
LOCAL nHeadersOnly
LOCAL oEmail
LOCAL i
LOCAL nNumEmails

nSuccess := 0

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

oImap := CreateObject("Chilkat.Imap")

//  Connect to an IMAP server.
//  Use TLS
oImap:Ssl := 1
oImap:Port := 993
nSuccess := oImap:Connect("imap.example.com")
IF (nSuccess == 0)
    ? oImap:LastErrorText
    oImap:destroy()
    RETURN
ENDIF

//  Login
nSuccess := oImap:Login("myLogin", "myPassword")
IF (nSuccess == 0)
    ? oImap:LastErrorText
    oImap:destroy()
    RETURN
ENDIF

//  Select an IMAP mailbox
nSuccess := oImap:SelectMailbox("Inbox")
IF (nSuccess == 0)
    ? oImap:LastErrorText
    oImap:destroy()
    RETURN
ENDIF

//  We can choose to fetch UIDs or sequence numbers.
nFetchUids := 1

//  Get the message IDs of all the emails in the mailbox
oMessageSet := CreateObject("Chilkat.MessageSet")
nSuccess := oImap:QueryMbx("ALL", nFetchUids, oMessageSet)
IF (nSuccess == 0)
    ? oImap:LastErrorText
    oImap:destroy()
    oMessageSet:destroy()
    RETURN
ENDIF

//  Fetch the emails into a bundle object:
oBundle := CreateObject("Chilkat.EmailBundle")
nHeadersOnly := 0
nSuccess := oImap:FetchMsgSet(nHeadersOnly, oMessageSet, oBundle)
IF (nSuccess == 0)
    ? oImap:LastErrorText
    oImap:destroy()
    oMessageSet:destroy()
    oBundle:destroy()
    RETURN
ENDIF

//  To mark a complete set of emails for deletion, call SetFlags:
nSuccess := oImap:SetFlags(oMessageSet, "Deleted", 1)
IF (nSuccess == 0)
    ? oImap:LastErrorText
    oImap:destroy()
    oMessageSet:destroy()
    oBundle:destroy()
    RETURN
ENDIF

//  Messages can also be marked for deletion individually:
//  Loop over the bundle and mark each message for deletion.
oEmail := CreateObject("Chilkat.Email")
i := 0
nNumEmails := oBundle:MessageCount
DO WHILE i < nNumEmails
    oBundle:EmailAt(i, oEmail)

    ? oEmail:From
    ? oEmail:Subject

    //  To delete this email, set the "Deleted" flag to 1.
    //  The email is not actually deleted until Expunge or
    //  ExpungeAndClose is called.
    nSuccess := oImap:SetMailFlag(oEmail, "Deleted", 1)
    IF (nSuccess == 0)
        ? oImap:LastErrorText
        oImap:destroy()
        oMessageSet:destroy()
        oBundle:destroy()
        oEmail:destroy()
        RETURN
    ENDIF

    ? "--"

    i := i + 1
ENDDO

nSuccess := oImap:ExpungeAndClose()
IF (nSuccess == 0)
    ? oImap:LastErrorText
    oImap:destroy()
    oMessageSet:destroy()
    oBundle:destroy()
    oEmail:destroy()
    RETURN
ENDIF

//  Disconnect from the IMAP server.
nSuccess := oImap:Disconnect()

oImap:destroy()
oMessageSet:destroy()
oBundle:destroy()
oEmail:destroy()