NAME

       Sisimai::SMTP::Command - SMTP Command related utilities

SYNOPSIS

           use Sisimai::SMTP::Command;
           Sisimai::SMTP::Command->find('in reply to RCPT TO command');  # RCPT

DESCRIPTION

       Sisimai::SMTP::Command is a class for finding the last SMTP command from given error
       message.

CLASS METHODS

   "test(String)"
       test() checks whether an SMTP command is a valid command or not

           print Sisimai::SMTP::Command->test('STARTTLS'); # 1
           print Sisimai::SMTP::Command->test('NEKO');     # 0

   "find(String)"
       find() returns the last SMTP command like the following:

           print Sisimai::SMTP::Command->find('MAIL FROM: <> 250 OK RCPT TO: <...> 550');  # "RCPT"

AUTHOR

       azumakuniyuki

COPYRIGHT

       Copyright (C) 2022-2023 azumakuniyuki, All rights reserved.

LICENSE

       This software is distributed under The BSD 2-Clause License.