FILEFORMAT: the FTP commands work for more protocols

tests/FILEFORMAT

@@ -97,7 +97,7 @@ wait [secs]
 </postcmd>
 <servercmd>
 Special-commands for the server.
-For FTP, these are supported:
+For FTP/SMTP/POP/IMAP, these are supported:
 
 REPLY [command] [return value] [response string]
  - Changes how the server responds to the [command]. [response string] is