(DataFlex) How to Copy IMAP Mail to another IMAP Server

Demonstrates how to copy the entire contents of an IMAP mailbox to another IMAP server.

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

Use ChilkatAx-win32.pkg

Procedure Test
    Handle hoImapSrc
    Boolean iSuccess
    Handle hoImapDest
    Integer iStartSeqNum
    Integer iMsgCount
    Variant vSa
    Handle hoSa
    Integer i
    String sTemp1
    Integer iTemp1
    Boolean bTemp1

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

    Get Create (RefClass(cComChilkatImap)) To hoImapSrc
    If (Not(IsComObjectCreated(hoImapSrc))) Begin
        Send CreateComObject of hoImapSrc
    End

    // Connect to our source IMAP server.
    Get ComConnect Of hoImapSrc "imap.someMailServer.com" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoImapSrc To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Login to the source IMAP server
    Get ComLogin Of hoImapSrc "admin@chilkatsoft.com" "myPassword" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoImapSrc To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get Create (RefClass(cComChilkatImap)) To hoImapDest
    If (Not(IsComObjectCreated(hoImapDest))) Begin
        Send CreateComObject of hoImapDest
    End

    // Connect to our destination IMAP server.
    Get ComConnect Of hoImapDest "mail.example-code.com" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoImapDest To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Login to the destination IMAP server
    Get ComLogin Of hoImapDest "myLogin" "myPassword" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoImapDest To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Select an IMAP mailbox on the source IMAP server
    Get ComSelectMailbox Of hoImapSrc "Inbox" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoImapSrc To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // After selecting a mailbox, the NumMessages property will
    // be updated to reflect the total number of emails in the mailbox:
    Get ComNumMessages Of hoImapSrc To iTemp1
    Showln iTemp1

    // The emails in the mailbox will always have sequence numbers
    // ranging from 1 to NumMessages.

    // This example will copy the first 10 messages.
    // We'll leave it up to you to write code to copy
    // the entire sequence range in reasonable size chunks.
    Move 1 To iStartSeqNum
    Move 10 To iMsgCount

    Get ComFetchSequenceAsMime Of hoImapSrc iStartSeqNum iMsgCount To vSa
    If (IsComObject(vSa)) Begin
        Get Create (RefClass(cComCkStringArray)) To hoSa
        Set pvComObject Of hoSa To vSa
    End
    Get ComLastMethodSuccess Of hoImapSrc To bTemp1
    If (bTemp1 <> True) Begin
        Get ComLastErrorText Of hoImapSrc To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get ComCount Of hoSa To iTemp1
    For i From 0 To (iTemp1 - 1)
        Get ComGetString Of hoSa i To sTemp1
        Get ComAppendMime Of hoImapDest "Inbox" sTemp1 To iSuccess
        If (iSuccess <> True) Begin
            Get ComLastErrorText Of hoImapDest To sTemp1
            Showln sTemp1
            Procedure_Return
        End

    Loop

    Send Destroy of hoSa

    // Disconnect from the IMAP servers.
    Get ComDisconnect Of hoImapSrc To iSuccess
    Get ComDisconnect Of hoImapDest To iSuccess


End_Procedure