Writing 'intercepted' e-mail message to a mailbox

[Jacobus van der Merwe]

Hi,

I am redirecting all email sent user1 at myhost.co.za to a python script,
which
extracts certain data from the e-mail and writes it to file.  But now I
still want
user1 to receive this e-mail.

I read the incoming mail using
  mailMessage = rfc822.Message(sys.stdin)

How can I get the message from my variable mailMessage into user1's
mailbox??  I can not find a method that does it.

Thanks in advance,

Jacobus