(DataFlex) Delete Individual Emails from POP3 Mailbox

Demonstrates how to delete individual emails from a POP3 mailbox.

Note: This example requires Chilkat v11.0.0 or greater.

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

Use ChilkatAx-win32.pkg

Procedure Test
    Boolean iSuccess
    Handle hoMailman
    Variant vBundle
    Handle hoBundle
    Boolean iKeepOnServer
    Boolean iHeadersOnly
    Integer iNumBodyLines
    Variant vEmail
    Handle hoEmail
    Integer i
    String sTemp1

    Move False To iSuccess

    // 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.
    Get Create (RefClass(cComChilkatMailMan)) To hoMailman
    If (Not(IsComObjectCreated(hoMailman))) Begin
        Send CreateComObject of hoMailman
    End

    // Set the POP3 server's hostname
    Set ComMailHost Of hoMailman To "pop.someMailServer.com"

    // Set the POP3 login/password.
    Set ComPopUsername Of hoMailman To "myLogin"
    Set ComPopPassword Of hoMailman To "myPassword"

    // Set the ImmediateDelete property = False
    // 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.
    Set ComImmediateDelete Of hoMailman To False

    // Download email headers.  
    Get Create (RefClass(cComChilkatEmailBundle)) To hoBundle
    If (Not(IsComObjectCreated(hoBundle))) Begin
        Send CreateComObject of hoBundle
    End
    Move True To iKeepOnServer
    Move True To iHeadersOnly
    Move 1 To iNumBodyLines
    Get pvComObject of hoBundle to vBundle
    Get ComFetchAll Of hoMailman iKeepOnServer iHeadersOnly iNumBodyLines vBundle To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoMailman To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get Create (RefClass(cComChilkatEmail)) To hoEmail
    If (Not(IsComObjectCreated(hoEmail))) Begin
        Send CreateComObject of hoEmail
    End
    Move 0 To i
    While (i < (ComMessageCount(hoBundle)))
        Get pvComObject of hoEmail to vEmail
        Get ComEmailAt Of hoBundle i vEmail To iSuccess

        Get ComFrom Of hoEmail To sTemp1
        Showln "From: " sTemp1
        Get ComSubject Of hoEmail To sTemp1
        Showln "Subject: " sTemp1

        // If you decide the email is to be deleted, call DeleteEmail.
        // This marks the email for deletion on the POP3 server.
        Get pvComObject of hoEmail to vEmail
        Get ComDeleteEmail Of hoMailman vEmail To iSuccess
        If (iSuccess = False) Begin
            Get ComLastErrorText Of hoMailman To sTemp1
            Showln sTemp1
            Procedure_Return
        End

        Move (i + 1) To i
    Loop

    // Make sure the POP3 session is ended to finalize the deletes.
    Get ComPop3EndSession Of hoMailman To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoMailman To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Showln "Success!"


End_Procedure