NAME

Sisimai::Reason::HostUnknown - Bounce reason is hostunknown or not.

SYNOPSIS

    use Sisimai::Reason::HostUnknown;
    print Sisimai::Reason::HostUnknown->match('550 5.2.1 Host Unknown');   # 1

DESCRIPTION

Sisimai::Reason::HostUnknown checks the bounce reason is hostunknown or not. This class is called only Sisimai::Reason class.

This is the error that the domain part (Right hand side of @ sign) of the recipient's email address does not exist. In many case, the domain part is misspelled, or the domain name has been expired. Sisimai will set hostunknown to the reason of the email bounce if the value of Status: field in a bounce mail is 5.1.2.

    Your message to the following recipients cannot be delivered:

    <kijitora@example.cat>:
    <<< No such domain.

CLASS METHODS

text()

text() method returns the fixed string hostunknown.

    print Sisimai::Reason::HostUnknown->text;  # hostunknown

match(string)

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

    print Sisimai::Reason::HostUnknown->match('550 5.2.1 Host Unknown');   # 1

true(Sisimai::Fact)

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

AUTHOR

azumakuniyuki

COPYRIGHT

Copyright (C) 2014-2018,2020,2021,2023,2024 azumakuniyuki, All rights reserved.

LICENSE

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