Sisimai::Reason::RequirePTR(3pm) User Contributed Perl Documentation 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

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 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)

text() returns string: "requireptr".

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

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

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

true() 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.

azumakuniyuki

Copyright (C) 2024 azumakuniyuki, All rights reserved.

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

2024-03-03 perl v5.38.2