(DataFlex) Upload (Append) Email to an IMAP Mailbox and get the UID of the Appended Email

Upload / append an email to an IMAP mailbox and get the UID of the appended email.

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

Use ChilkatAx-win32.pkg

Procedure Test
    Handle hoImap
    Boolean iSuccess
    String sCap
    Variant vEmail
    Handle hoEmail
    Integer iUidNext
    String sTemp1
    Integer iTemp1

    // 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

    // 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 "myLogin" "myPassword" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoImap To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Check the capabilities of the IMAP server.
    Get ComCapability Of hoImap To sCap
    Showln "IMAP capabilities: " sCap

    // If the capabilities string contains the substring "UIDPLUS", then 
    // the UID of the appended email will be available in the AppendUid property (see below).

    // For example, the GMail IMAP server has these capabilities (at this current time)
    // * CAPABILITY IMAP4rev1 UNSELECT IDLE NAMESPACE QUOTA ID XLIST CHILDREN 
    // X-GM-EXT-1 UIDPLUS COMPRESS=DEFLATE ENABLE MOVE CONDSTORE ESEARCH UTF8=ACCEPT 
    // APPENDLIMIT=35882577 LIST-EXTENDED LIST-STATUS

    Get Create (RefClass(cComChilkatEmail)) To hoEmail
    If (Not(IsComObjectCreated(hoEmail))) Begin
        Send CreateComObject of hoEmail
    End

    // Load the email from a .eml file.
    Get ComLoadEml Of hoEmail "myEmail.eml" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoEmail To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get pvComObject of hoEmail to vEmail
    Get ComAppendMail Of hoImap "Inbox" vEmail To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoImap To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // If the IMAP server supports the UIDPLUS extension, then the 
    // imap.AppendUid will contain the UID of the appended email.
    // Otherwise AppendUid will be 0.
    Get ComAppendUid Of hoImap To iTemp1
    Showln "UID of appended email: " iTemp1

    // If the IMAP server does NOT have UIDPLUS, then a program can 
    // first select the mailbox, get the value of the UidNext property,
    // and then append.  The appended email SHOULD have a UID equal to 
    // the UidNext that was obtained just prior to appending (assuming no other
    // program is simultaneously appending an email to the same mailbox).

    // Note: It is not required to select a mailbox to append.  The select is only
    // done for the purpose of obtaining the UIDNEXT value.
    Get ComSelectMailbox Of hoImap "Inbox" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoImap To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get ComUidNext Of hoImap To iUidNext

    Get pvComObject of hoEmail to vEmail
    Get ComAppendMail Of hoImap "Inbox" vEmail To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoImap To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Showln "The UID of the appended email SHOULD be " iUidNext

    Showln "Email uploaded to Inbox!"

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


End_Procedure