- CLASS METHODS
Sisimai::Reason::UserUnknown - Bounce reason is
userunknown or not.
use Sisimai::Reason::UserUnknown; print Sisimai::Reason::UserUnknown->match('550 5.1.1 Unknown User'); # 1
Sisimai::Reason::UserUnknown checks the bounce reason is
userunknown or not. This class is called only Sisimai::Reason class.
This is the error that a local part (Left hand side of @ sign) of a recipient's email address does not exist. In many case, a user has changed internet service provider, or has quit company, or the local part is misspelled. Sisimai will set
userunknown to the reason of email bounce if the value of Status: field in a bounce email is
5.1.1, or connection was refused at SMTP RCPT command, or the contents of Diagnostic-Code: field represents that it is unknown user.
<email@example.com>: host mx01.example.co.jp[192.0.2.8] said: 550 5.1.1 Address rejected firstname.lastname@example.org (in reply to RCPT TO command)
text() returns string:
print Sisimai::Reason::UserUnknown->text; # userunknown
match() returns 1 if the argument matched with patterns defined in this class.
print Sisimai::Reason::UserUnknown->match('550 5.1.1 Unknown User'); # 1
true() returns 1 if the bounce reason is
userunknown. The argument must be Sisimai::Data object and this method is called only from Sisimai::Reason class.
Copyright (C) 2014-2021 azumakuniyuki, All rights reserved.
This software is distributed under The BSD 2-Clause License.