Sisimai::Reason::RequirePTR - Bounce reason is "requireptr" or not.

       azumakuniyuki

"text()"
       text() method returns the fixed string "requireptr".

           print Sisimai::Reason::RequirePTR->text;  # "requireptr"

       match() method returns 1 if the argument matched with patterns defined in this class.

           print Sisimai::Reason::RequirePTR->match('Reverse DNS failed');   # 1

   "true(Sisimai::Fact)"
       true() method returns 1 if the bounce reason is "requireptr". The argument must be "Sisimai::Fact" object
       and this method is called only from "Sisimai::Reason" class.

       Copyright (C) 2024-2025 azumakuniyuki, All rights reserved.

       "Sisimai::Reason::RequirePTR" checks the bounce reason is "requireptr" or not. This class is called only
       from "Sisimai::Reason" class.

       This is the error that the SMTP connection was rejected due to missing PTR record or having invalid PTR
       record at the source IP address used for the SMTP connection.

           host gmail-smtp-in.l.google.com[142.251.170.27] said:
           [192.0.2.25] The IP address sending this message does not have a PTR record setup, or the
           corresponding forward DNS entry does not point to the sending IP. As a policy, Gmail does
           not accept messages from IPs with missing PTR records. For more information, go to
           https://support.google.com/mail/answer/81126#ip-practices (in reply to end of DATA command)

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

perl v5.40.1                                       2025-04-12                   Sisimai::Reason::RequirePTR(3pm)

       Sisimai::Reason::RequirePTR - Bounce reason is "requireptr" or not.

           use Sisimai::Reason::RequirePTR;
           print Sisimai::Reason::->match('The IP address sending this message does not have a PTR recor'); # 1