Usage: NOTE [SEND] [&passwd] [+-flags] [+-maxtime] <nick!username@host> <msg>
  SEND is an alias for USER +D (default max 60 days)
  This command is for sending a message to recipient, and let the server
  send a note + a notice to sender if this is on IRC - if message is sent.
  Example: SEND foobar Hello, this is a test.
           SEND +7 !username@*.edu Hello again!
