PureBasic

Download POP3 Email using UIDLs

Demonstrates how to download POP3 email by first getting the complete set of UIDLs and then downloading email by calling FetchByUIDL for each UIDL. PureBasic

IncludeFile "CkStringTable.pb"
IncludeFile "CkEmail.pb"
IncludeFile "CkMailMan.pb"

Procedure ChilkatExample()

    success.i = 0

    ; This example requires 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")

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

    success = CkMailMan::ckFetchUidls(mailman,stUidls)
    If success = 0
        Debug CkMailMan::ckLastErrorText(mailman)
        CkMailMan::ckDispose(mailman)
        CkStringTable::ckDispose(stUidls)
        ProcedureReturn
    EndIf

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

    count.i = CkStringTable::ckCount(stUidls)
    i.i = 0
    While i < count
        ; Download the full email.
        success = CkMailMan::ckFetchByUidl(mailman,CkStringTable::ckStringAt(stUidls,i),0,0,email)
        If success = 0
            Debug CkMailMan::ckLastErrorText(mailman)
            CkMailMan::ckDispose(mailman)
            CkStringTable::ckDispose(stUidls)
            CkEmail::ckDispose(email)
            ProcedureReturn
        EndIf

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

        i = i + 1
    Wend

    CkMailMan::ckPop3EndSession(mailman)


    CkMailMan::ckDispose(mailman)
    CkStringTable::ckDispose(stUidls)
    CkEmail::ckDispose(email)


    ProcedureReturn
EndProcedure