When a client initially connects to a DICT server, a code 220 is sent if the client's IP is allowed to connect:
220 text capabilities msg-id
The code 220 is a banner, usually containing host name and DICT server version information.
If the strategy is specified using a period (decimal code 46, "."), then the word will be matched
using a server-dependent default strategy, which should be the best strategy available for
interactive spell checking.