200 => "Command ok."
214 => "Direct comments to ildusman\@$localhost."
215 => "Listing done."
220 => "%s %s %s %s, welcome."
221 => "%s closed connection, goodbye!"
230 => "User %s authenticated, proceed."
240 => "Updated host %s to IP %s ok."
331 => "User name ok, need password."
421 => "%s forcibly closed connection."
422 => "connection timed out, %s forcibly closed connection."
425 => "Can't find host %s."
426 => "Can't find %s-record of host %s."
500 => "Syntax error, command %s unrecognized."
501 => "Syntax error in arguments."
502 => "Command not implemented."
503 => "Too many unrecognized commands!"
504 => "You are already authenticated!"
505 => "Server error: %s!"
506 => "Server error, update failed: %s"
530 => "Not authenticated!"