Note: don't actually try to send email to these addresses - I got them
"just to see" and have abandoned them long ago.
Your useraname can be up to 16 characters. Only letters (a-z),
numbers (0-9) and underscore (_). Login Name must start with a letter.
You will have to log into your account at least once within the next ten
(10) days, and at least once every 120 days thereafter to keep your account
active.
Your user name must be between 3 and 20 characters in length and consist
of upper and
lowercase letters [case insentitive -Craig] and/or numbers. No spaces
are allowed between characters.
Email names may contain only letters, numbers, periods ( . ), hyphens ( - ), and underscores ( _ ), and no spaces for example joe_smith