PureBasic

Delete Individual Emails from POP3 Mailbox

Demonstrates how to delete individual emails from a POP3 mailbox. PureBasic

IncludeFile "CkEmailBundle.pb"
IncludeFile "CkEmail.pb"
IncludeFile "CkMailMan.pb"

Procedure ChilkatExample()

    success.i = 0

    ; 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.
    mailman.i = CkMailMan::ckCreate()
    If mailman.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    ; Set the POP3 server's hostname
    CkMailMan::setCkMailHost(mailman, "pop.example.com")

    ; Set the POP3 login/password.
    CkMailMan::setCkPopUsername(mailman, "myLogin")
    CkMailMan::setCkPopPassword(mailman, "myPassword")

    ; Set the ImmediateDelete property = 0
    ; When the DeleteEmail method is called, the POP3 session
    ; will remain open and the emails will be deleted all at once
    ; when the session closes.
    CkMailMan::setCkImmediateDelete(mailman, 0)

    ; Download email headers.  
    bundle.i = CkEmailBundle::ckCreate()
    If bundle.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    keepOnServer.i = 1
    headersOnly.i = 1
    numBodyLines.i = 1
    success = CkMailMan::ckFetchAll(mailman,keepOnServer,headersOnly,numBodyLines,bundle)
    If success = 0
        Debug CkMailMan::ckLastErrorText(mailman)
        CkMailMan::ckDispose(mailman)
        CkEmailBundle::ckDispose(bundle)
        ProcedureReturn
    EndIf

    email.i = CkEmail::ckCreate()
    If email.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    i.i = 0
    While i < CkEmailBundle::ckMessageCount(bundle)
        CkEmailBundle::ckEmailAt(bundle,i,email)

        Debug "From: " + CkEmail::ckFrom(email)
        Debug "Subject: " + CkEmail::ckSubject(email)

        ; If you decide the email is to be deleted, call DeleteEmail.
        ; This marks the email for deletion on the POP3 server.
        success = CkMailMan::ckDeleteEmail(mailman,email)
        If success = 0
            Debug CkMailMan::ckLastErrorText(mailman)
            CkMailMan::ckDispose(mailman)
            CkEmailBundle::ckDispose(bundle)
            CkEmail::ckDispose(email)
            ProcedureReturn
        EndIf

        i = i + 1
    Wend

    ; Make sure the POP3 session is ended to finalize the deletes.
    success = CkMailMan::ckPop3EndSession(mailman)
    If success = 0
        Debug CkMailMan::ckLastErrorText(mailman)
        CkMailMan::ckDispose(mailman)
        CkEmailBundle::ckDispose(bundle)
        CkEmail::ckDispose(email)
        ProcedureReturn
    EndIf

    Debug "Success!"


    CkMailMan::ckDispose(mailman)
    CkEmailBundle::ckDispose(bundle)
    CkEmail::ckDispose(email)


    ProcedureReturn
EndProcedure