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DataFlex Examples

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(DataFlex) Process Bounced Email in IMAP

Reads an IMAP mailbox and determines which emails are bounces.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-9.5.0-win32.pkg

Procedure Test
    Handle hoImap
    Handle hoBounce
    Boolean iSuccess
    Variant vMessageSet
    Handle hoMessageSet
    Boolean iFetchUids
    Variant vBundle
    Handle hoBundle
    Integer i
    Integer iNumEmails
    Variant vEmail
    Handle hoEmail
    String sTemp1
    Integer iTemp1
    Boolean bTemp1

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

    Get Create (RefClass(cComChilkatImap)) To hoImap
    If (Not(IsComObjectCreated(hoImap))) Begin
        Send CreateComObject of hoImap
    End
    Get Create (RefClass(cComChilkatBounce)) To hoBounce
    If (Not(IsComObjectCreated(hoBounce))) Begin
        Send CreateComObject of hoBounce
    End

    // Connect to an IMAP server.
    // Use TLS
    Set ComSsl Of hoImap To True
    Set ComPort Of hoImap To 993
    Get ComConnect Of hoImap "imap.someMailServer.com" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoImap To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Login
    Get ComLogin Of hoImap "admin@chilkatsoft.com" "myPassword" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoImap To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Select an IMAP mailbox
    Get ComSelectMailbox Of hoImap "INBOX.bounceSamples" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoImap To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // We can choose to fetch UIDs or sequence numbers.
    Move True To iFetchUids
    // Get the message IDs of all the emails in the mailbox
    Get ComSearch Of hoImap "ALL" iFetchUids To vMessageSet
    If (IsComObject(vMessageSet)) Begin
        Get Create (RefClass(cComChilkatMessageSet)) To hoMessageSet
        Set pvComObject Of hoMessageSet To vMessageSet
    End
    Get ComLastMethodSuccess Of hoImap To bTemp1
    If (bTemp1 = False) Begin
        Get ComLastErrorText Of hoImap To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Fetch the emails into a bundle object:

    Get ComFetchBundle Of hoImap vMessageSet To vBundle
    If (IsComObject(vBundle)) Begin
        Get Create (RefClass(cComChilkatEmailBundle)) To hoBundle
        Set pvComObject Of hoBundle To vBundle
    End
    Get ComLastMethodSuccess Of hoImap To bTemp1
    If (bTemp1 = False) Begin
        Send Destroy of hoMessageSet
        Get ComLastErrorText Of hoImap To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Loop over the bundle and display the FROM and SUBJECT of each.
    Move 0 To i
    Get ComMessageCount Of hoBundle To iNumEmails
    While (i < iNumEmails)
        Get ComGetEmail Of hoBundle i To vEmail
        If (IsComObject(vEmail)) Begin
            Get Create (RefClass(cComChilkatEmail)) To hoEmail
            Set pvComObject Of hoEmail To vEmail
        End

        Get ComExamineEmail Of hoBounce vEmail To iSuccess

        Get ComSubject Of hoEmail To sTemp1
        Showln "Subject: " sTemp1
        Get ComBounceType Of hoBounce To iTemp1
        Get ComBounceAddress Of hoBounce To sTemp1
        Showln "Bounce Type = " iTemp1 ", email address = " sTemp1

        Send Destroy of hoEmail

        Move i + 1 To i
    Loop

    // Disconnect from the IMAP server.
    Get ComDisconnect Of hoImap To iSuccess

    Send Destroy of hoMessageSet
    Send Destroy of hoBundle


End_Procedure

 

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