Sisimai::SMTP::Error - SMTP Errors related utilities

       azumakuniyuki

"is_permanent(String)"
       "is_permanent()" checks the given string points an permanent error or not.

           print Sisimai::SMTP::Error->is_permanent('5.1.1 User unknown'); # 1
           print Sisimai::SMTP::Error->is_permanent('4.2.2 Mailbox Full'); # 0
           print Sisimai::SMTP::Error->is_permanent('2.1.5 Message Sent'); # undef

   "soft_or_hard(String,String)"
       "soft_or_hard()" returns string 'soft' if given bounce reason is a soft bounce.  When the reason is a
       hard bounce, this method returns 'hard'. If the return value is an empty string, it means that returned
       email may not be a bounce.

           print Sisimai::SMTP::Error->soft_or_hard('userunknown', '5.1.1 No such user');   # 'hard'
           print Sisimai::SMTP::Error->soft_or_hard('mailboxfull');                         # 'soft'
           print Sisimai::SMTP::Error->soft_or_hard('vacation');                            # ''

       Copyright (C) 2016-2018,2020,2021 azumakuniyuki, All rights reserved.

       Sisimai::SMTP::Error provide method to check an SMTP errors.

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

perl v5.32.1                                       2021-11-25                          Sisimai::SMTP::Error(3pm)

       Sisimai::SMTP::Error - SMTP Errors related utilities

           use Sisimai::SMTP::Error;
           print Sisimai::SMTP::Error->is_permanent('SMTP error message');
           print Sisimai::SMTP::Error->soft_or_hard('userunknown', 'SMTP error message');