         # File lib/protocols/smtpserver.rb, line 238
    238:                 def process_helo domain
    239:                         if receive_ehlo_domain domain.dup
    240:                                 send_data "250 #{get_server_domain}\r\n"
    241:                                 reset_protocol_state
    242:                                 @state << :ehlo
    243:                         else
    244:                                 send_data "550 Requested action not taken\r\n"
    245:                         end
    246:                 end