POP3 using HTTP Proxy

Demonstrates how to communicate with a POP3 server through an HTTP proxy.

Download Chilkat Email ActiveX

CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @iTmp0 int
    DECLARE @sTmp0 nvarchar(4000)
    --  The mailman object is used for receiving (POP3)
    --  and sending (SMTP) email.
    DECLARE @mailman int
    EXEC @hr = sp_OACreate 'Chilkat.MailMan2', @mailman OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    --  Any string argument automatically begins the 30-day trial.
    DECLARE @success int

    EXEC sp_OAMethod @mailman, 'UnlockComponent', @success OUT, '30-day trial'
    IF @success <> 1
      BEGIN
        PRINT 'Component unlock failed'
        RETURN
      END

    --  To connect through an HTTP proxy, set the HttpProxyHostname
    --  and HttpProxyPort properties to the hostname (or IP address)
    --  and port of the HTTP proxy.  Typical port numbers used by
    --  HTTP proxy servers are 3128 and 8080.
    EXEC sp_OASetProperty @mailman, 'HttpProxyHostname', 'www.my-http-proxy.com'
    EXEC sp_OASetProperty @mailman, 'HttpProxyPort', 3128

    --  Important:  Your HTTP proxy server must allow non-HTTP
    --  traffic to pass.  Otherwise this does not work.

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

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

    DECLARE @bundle int

    --  Copy the all email from the user's POP3 mailbox
    --  into a bundle object.  The email remains on the server.
    -- 
    --  NOTE: All methods that communicate with a POP3 server
    --  will automatically connect and authenticate (i.e. login)
    --  if not already connected.  The connection will remain
    --  open after the method call returns so that subsequent
    --  calls do not need to re-establish the connection.
    --  In this case, the connection is established via the HTTP
    --  proxy.
    EXEC sp_OAMethod @mailman, 'CopyMail', @bundle OUT

    IF @bundle Is NULL 
      BEGIN
        EXEC sp_OAGetProperty @mailman, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        RETURN
      END

    DECLARE @i int

    DECLARE @email int

    EXEC sp_OAGetProperty @bundle, 'MessageCount', @iTmp0 OUT
    SELECT @i = 0
    WHILE @i <= @iTmp0 - 1
      BEGIN
        EXEC sp_OAMethod @bundle, 'GetEmail', @email OUT, @i
        EXEC sp_OAGetProperty @email, 'From', @sTmp0 OUT

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


        PRINT @sTmp0 + CHAR(13)+CHAR(10)

        SELECT @i = @i + 1
      END

    EXEC sp_OAMethod @mailman, 'Pop3EndSession', NULL
END
GO