DOKK / manpages / debian 13 / libsisimai-perl / Sisimai::SMTP::Status.3pm.en
Sisimai::SMTP::Status(3pm) User Contributed Perl Documentation Sisimai::SMTP::Status(3pm)

Sisimai::SMTP::Status - SMTP Enhanced Status Codes related utilities

    use Sisimai::SMTP::Status;
    print Sisimai::SMTP::Status->code('userunknown');           # '5.0.911'
    print Sisimai::SMTP::Status->name('5.1.2');                 # 'hostunknown'
    print Sisimai::SMTP::Status->find('550 5.1.1 Unknown user');# '5.1.1'

"Sisimai::SMTP::Status" is a utility class for getting the DSN value from the error reason text, getting the reason from the DSN value, and getting the DSN from the text including a DSN.

code() method returns pseudo DSN value from the specified reason string. The second argument is a flag for getting pseudo DSN value as a temporary error.

    print Sisimai::SMTP::Status->code('mailboxfull');   # '5.0.922'
    print Sisimai::SMTP::Status->code('mailboxfull',1); # '4.0.922'

name() method returns the reason string from the specified DSN value.

    print Sisimai::SMTP::Status->name('5.1.6');         # 'hasmoved'
    print Sisimai::SMTP::Status->name('4.2.3');         # 'exceedlimit'

test() method checks whether the status code is a valid code or not.

    print Sisimai::SMTP::Status->test('5.1.6'); # 1
    print Sisimai::SMTP::Status->test('3.14');  # 0

"find(String, String)"

find() method returns the DSN value only from the text including a DSN

    print Sisimai::SMTP::Status->find('5.0.0');                  # '5.0.0'
    print Sisimai::SMTP::Status->find('550 5.1.1 User unknown'); # '5.1.1'
    print Sisimai::SMTP::Status->find('447 delivery expired');   # ''

"prefer(Code in Status: field, Code in an error message, [Reply code])"

prefer() method returns the preferred value selected from the arguments.

    print Sisimai::SMTP::Status->prefer("5.2.1", "5.0.0");      # "5.2.1"
    print Sisimai::SMTP::Status->prefer("4.4.7", "5.1.1", 421); # "4.4.7"

"is_explicit(delivery status code)"

is_explicit() method returns 0 if the delivery status code is empty or is an internal code

    print Sisimai::SMTP::Status->is_explicit("5.0.901"); # 0
    print Sisimai::SMTP::Status->is_explicit("5.7.625"); # 1

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

Hey! The above document had some coding errors, which are explained below:

Unterminated C<B<...>> sequence
2025-04-12 perl v5.40.1