Lowercasify

Well, actually, my host is REALLY called "X", but I've already been advised to lowercasify it.

To think of it, propably I need to a) add a section about testing into smtpserver(8) man-page, and also b) lowercasify the lookup key of "aliases".

Press it again (or press it when there's already a period there) and it will remove any punctuation and spaces, insert a single space, and lowercasify the following word (unless it's a word that should always be capitalized)