http://www.perlmonks.org?node_id=873765


in reply to Connect to Microsoft Exchange

it's quite likely imap or even the default exchange protocol, but either way the authentication is probably as part of the logon to a workstation...and without exchange admin help regards exact alternative authentication using a script, you'll be struggling to get anywhere...and maybe you'll end up getting noticed by locking someone's email/logon account. it's illegal in most countries to eavesdrop without good reason and proper authority. the simplest way is for the exchange admin to setup a invisible automated cc or forward to another address.
the hardest line to type correctly is: stty erase ^H