(SQL Server) Delete Individual Emails from POP3 Mailbox

Demonstrates how to delete individual emails from a POP3 mailbox.

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
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    -- 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
    -- Use "Chilkat_9_5_0.MailMan" for versions of Chilkat < 10.0.0
    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.someMailServer.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 sp_OAMethod @mailman, 'GetAllHeaders', @bundle OUT, 1
    EXEC sp_OAGetProperty @mailman, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 = 0
      BEGIN
        EXEC sp_OAGetProperty @mailman, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @mailman
        RETURN
      END

    DECLARE @i int
    SELECT @i = 0
    DECLARE @email int

    EXEC sp_OAGetProperty @bundle, 'MessageCount', @iTmp0 OUT
    WHILE @i < @iTmp0
      BEGIN
        EXEC sp_OAMethod @bundle, 'GetEmail', @email OUT, @i


        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.
        DECLARE @success int
        EXEC sp_OAMethod @mailman, 'DeleteEmail', @success OUT, @email
        IF @success <> 1
          BEGIN
            EXEC sp_OAGetProperty @mailman, 'LastErrorText', @sTmp0 OUT
            PRINT @sTmp0
            EXEC @hr = sp_OADestroy @mailman
            RETURN
          END

        EXEC @hr = sp_OADestroy @email

        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 <> 1
      BEGIN
        EXEC sp_OAGetProperty @mailman, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
      END
    EXEC @hr = sp_OADestroy @bundle


    PRINT 'Success!'

    EXEC @hr = sp_OADestroy @mailman


END
GO