I downloaded and installed the Open Source version to test. Our current email server is Sendmail so migrating should not be much of a problem. However, since during the install a fully qualified address is required for the host, does that mean that all email addresses will now have a fully quallified address? (i.e. user@mailhost.domain.com) Will I be able to shorten these to the regular user@domain.com?

I begin testing this next week so if I need to reinstall or anything I have time.