Sisimai::SMTP::Error - SMTP Errors related utilities
use Sisimai::SMTP::Error;
print Sisimai::SMTP::Error->is_permanent('SMTP error message');
print Sisimai::SMTP::Error->soft_or_hard('userunknown', 'SMTP error message');
Sisimai::SMTP::Error provide method to check an SMTP errors.
"is_permanent()" checks the given string
points an permanent error or not.
print Sisimai::SMTP::Error->is_permanent('5.1.1 User unknown'); # 1
print Sisimai::SMTP::Error->is_permanent('4.2.2 Mailbox Full'); # 0
print Sisimai::SMTP::Error->is_permanent('2.1.5 Message Sent'); # undef
"soft_or_hard()" returns string 'soft' if
given bounce reason is a soft bounce. When the reason is a hard bounce, this
method returns 'hard'. If the return value is an empty string, it means that
returned email may not be a bounce.
print Sisimai::SMTP::Error->soft_or_hard('userunknown', '5.1.1 No such user'); # 'hard'
print Sisimai::SMTP::Error->soft_or_hard('mailboxfull'); # 'soft'
print Sisimai::SMTP::Error->soft_or_hard('vacation'); # ''
Copyright (C) 2016-2018,2020,2021 azumakuniyuki, All rights reserved.
This software is distributed under The BSD 2-Clause License.