(SQL Server) Read All Email from POP3 Inbox by Message Numbers

Demonstrates how to read all of the email from a POP3 inbox by fetching each email by it's message number.

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)
    DECLARE @sTmp1 nvarchar(4000)
    -- This example requires the Chilkat API to have been previously unlocked.
    -- See Global Unlock Sample for sample code.

    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'

    -- Get the number of messages in the mailbox.
    DECLARE @numMessages int
    EXEC sp_OAMethod @mailman, 'GetMailboxCount', @numMessages OUT

    -- Message numbers are specific to a POP3 session. 
    -- If a maildrop (i.e. inbox)  contains 10 messages, 
    -- the message numbers will be 1, 2, 3, ... 10. 
    -- If message number 1 is deleted and a new POP3 session 
    -- is established, there will be 9 messages numbered 1, 2, 3, ... 9. 

    DECLARE @i int
    SELECT @i = 1

    DECLARE @email int

    WHILE @i <= @numMessages
      BEGIN

        EXEC sp_OAMethod @mailman, 'FetchByMsgnum', @email OUT, @i
        EXEC sp_OAGetProperty @mailman, 'LastMethodSuccess', @iTmp0 OUT
        IF @iTmp0 <> 1
          BEGIN
            EXEC sp_OAGetProperty @mailman, 'LastErrorText', @sTmp0 OUT
            PRINT @sTmp0
            EXEC @hr = sp_OADestroy @mailman
            RETURN
          END

        EXEC sp_OAGetProperty @email, 'From', @sTmp0 OUT

        EXEC sp_OAGetProperty @email, 'Subject', @sTmp1 OUT

        PRINT @sTmp0 + ': ' + @sTmp1 + CHAR(10)
        EXEC @hr = sp_OADestroy @email

        SELECT @i = @i + 1

      END

    EXEC @hr = sp_OADestroy @mailman


END
GO