(SQL Server) Delete All IMAP Email

Demonstrates two ways to delete all email in a mailbox on an IMAP server.

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

-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @iTmp0 int
    DECLARE @iTmp1 int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    -- This example requires the Chilkat API to have been previously unlocked.
    -- See Global Unlock Sample for sample code.

    DECLARE @imap int
    -- Use "Chilkat_9_5_0.Imap" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.Imap', @imap OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    -- Turn on session logging:
    EXEC sp_OASetProperty @imap, 'KeepSessionLog', 1

    -- Connect to an IMAP server.
    -- Use TLS
    EXEC sp_OASetProperty @imap, 'Ssl', 1
    EXEC sp_OASetProperty @imap, 'Port', 993
    DECLARE @success int
    EXEC sp_OAMethod @imap, 'Connect', @success OUT, 'imap.someMailServer.com'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @imap
        RETURN
      END

    -- Login
    EXEC sp_OAMethod @imap, 'Login', @success OUT, 'myLogin', 'myPassword'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @imap
        RETURN
      END

    -- Select an IMAP mailbox
    EXEC sp_OAMethod @imap, 'SelectMailbox', @success OUT, 'Inbox.RubyMail'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @imap
        RETURN
      END

    DECLARE @messageSet int

    -- Get the complete set of Uids for email in the selected mailbox.
    EXEC sp_OAMethod @imap, 'GetAllUids', @messageSet OUT
    EXEC sp_OAGetProperty @imap, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 <> 1
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @imap
        RETURN
      END

    -- Set the Deleted flag for each message.
    -- (ExpungeAndClose must be called to finalize the delete.)
    EXEC sp_OAMethod @imap, 'SetFlags', @success OUT, @messageSet, 'Deleted', 1
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @imap
        RETURN
      END

    -- Alternatively, the Deleted flag may be set for each UID
    -- individiually, but this is less efficient:
    DECLARE @i int

    DECLARE @n int
    EXEC sp_OAGetProperty @messageSet, 'Count', @n OUT
    SELECT @i = 0
    WHILE @i <= @n - 1
      BEGIN
        EXEC sp_OAMethod @messageSet, 'GetId', @iTmp0 OUT, @i
        EXEC sp_OAGetProperty @messageSet, 'HasUids', @iTmp1 OUT
        EXEC sp_OAMethod @imap, 'SetFlag', @success OUT, @iTmp0, @iTmp1, 'Deleted', 1
        IF @success <> 1
          BEGIN
            EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
            PRINT @sTmp0
            EXEC @hr = sp_OADestroy @imap
            RETURN
          END
        SELECT @i = @i + 1
      END

    -- Expunge and close the mailbox.
    EXEC sp_OAMethod @imap, 'ExpungeAndClose', @success OUT
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @imap
        RETURN
      END

    -- Display the session log.
    EXEC sp_OAGetProperty @imap, 'SessionLog', @sTmp0 OUT
    PRINT @sTmp0

    -- Disconnect from the IMAP server.
    EXEC sp_OAMethod @imap, 'Disconnect', @success OUT

    EXEC @hr = sp_OADestroy @messageSet


    EXEC @hr = sp_OADestroy @imap


END
GO