SQL Server

Delete Individual Emails from POP3 Mailbox

Demonstrates how to delete individual emails from a POP3 mailbox. SQL Server

-- 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
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 0

    -- 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.
    DECLARE @mailman int
    EXEC @hr = sp_OACreate 'Chilkat.MailMan', @mailman OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    -- Set the POP3 server's hostname
    EXEC sp_OASetProperty @mailman, 'MailHost', 'pop.example.com'

    -- Set the POP3 login/password.
    EXEC sp_OASetProperty @mailman, 'PopUsername', 'myLogin'
    EXEC sp_OASetProperty @mailman, 'PopPassword', 'myPassword'

    -- Set the ImmediateDelete property = 0
    -- 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.
    EXEC sp_OASetProperty @mailman, 'ImmediateDelete', 0

    -- Download email headers.  
    DECLARE @bundle int
    EXEC @hr = sp_OACreate 'Chilkat.EmailBundle', @bundle OUT

    DECLARE @keepOnServer int
    SELECT @keepOnServer = 1
    DECLARE @headersOnly int
    SELECT @headersOnly = 1
    DECLARE @numBodyLines int
    SELECT @numBodyLines = 1
    EXEC sp_OAMethod @mailman, 'FetchAll', @success OUT, @keepOnServer, @headersOnly, @numBodyLines, @bundle
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @mailman, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @mailman
        EXEC @hr = sp_OADestroy @bundle
        RETURN
      END

    DECLARE @email int
    EXEC @hr = sp_OACreate 'Chilkat.Email', @email OUT

    DECLARE @i int
    SELECT @i = 0
    EXEC sp_OAGetProperty @bundle, 'MessageCount', @iTmp0 OUT
    WHILE @i < @iTmp0
      BEGIN
        EXEC sp_OAMethod @bundle, 'EmailAt', @success OUT, @i, @email


        EXEC sp_OAGetProperty @email, 'From', @sTmp0 OUT
        PRINT 'From: ' + @sTmp0

        EXEC sp_OAGetProperty @email, 'Subject', @sTmp0 OUT
        PRINT 'Subject: ' + @sTmp0

        -- If you decide the email is to be deleted, call DeleteEmail.
        -- This marks the email for deletion on the POP3 server.
        EXEC sp_OAMethod @mailman, 'DeleteEmail', @success OUT, @email
        IF @success = 0
          BEGIN
            EXEC sp_OAGetProperty @mailman, 'LastErrorText', @sTmp0 OUT
            PRINT @sTmp0
            EXEC @hr = sp_OADestroy @mailman
            EXEC @hr = sp_OADestroy @bundle
            EXEC @hr = sp_OADestroy @email
            RETURN
          END

        SELECT @i = @i + 1
      END

    -- Make sure the POP3 session is ended to finalize the deletes.
    EXEC sp_OAMethod @mailman, 'Pop3EndSession', @success OUT
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @mailman, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @mailman
        EXEC @hr = sp_OADestroy @bundle
        EXEC @hr = sp_OADestroy @email
        RETURN
      END


    PRINT 'Success!'

    EXEC @hr = sp_OADestroy @mailman
    EXEC @hr = sp_OADestroy @bundle
    EXEC @hr = sp_OADestroy @email


END
GO