How to call a Perl script from Python, piping input to it?

Question

I\'m hacking some support for DomainKeys and DKIM into an open source email marketing program, which uses a python script to send the actual emails via SMTP. I decided to go

Answer 1

I'm sure there's a reason you're going down the route you've chosen, but why not just do the signing in Python?

How are you signing it? Maybe we could provide some assitance in writing a python implementation?