Module: Sisimai::Rhost::YahooInc

Defined in:
lib/sisimai/rhost/yahooinc.rb

Overview

Sisimai::Rhost detects the bounce reason from the content of Sisimai::Fact object as an argument of find() method when the value of “destination” of the object is “*.yahoodns.net”. This class is called only Sisimai::Fact class.

Constant Summary collapse

MessagesOf = 
{
  'authfailure' => [
    # - 550 5.7.9 This mail has been blocked because the sender is unauthenticated. Yahoo
    #   requires all senders to authenticate with either SPF or DKIM.
    'yahoo requires all senders to authenticate with either spf or dkim',
  ],
  'blocked' => [
    # - 553 5.7.1 [BL21] Connections will not be accepted from 192.0.2.25,
    #   because the ip is in Spamhaus's list; see http://postmaster.yahoo.com/550-bl23.html
    # - 553 5.7.1 [BL23] Connections not accepted from IP addresses on Spamhaus XBL;
    #   see http://postmaster.yahoo.com/errors/550-bl23.html [550]",
    " because the ip is in spamhaus's list;",
    'not accepted from ip addresses on spamhaus xbl',
  ],
  'norelaying' => [
    # - 550 relaying denied for <***@yahoo.com>
    'relaying denied for ',
  ],
  'notcompliantrfc' => ['headers are not rfc compliant'],
  'policyviolation' => [
    # - 554 Message not allowed - [PH01] Email not accepted for policy reasons.
    #   Please visit https://postmaster.yahooinc.com/error-codes
    # - 554 5.7.9 Message not accepted for policy reasons. 
    #   See https://postmaster.yahooinc.com/error-codes
    'not accepted for policy reasons',
  ],
  'ratelimited' => [
    # - 421 Max message per connection reached, closing transmission channel
    'max message per connection reached',

    # - 450 User is receiving mail too quickly
    'user is receiving mail too quickly',
  ],
  'rejected' => [
    # Observed the following error message since around March 2024:
    #
    # - 421 4.7.0 [TSS04] Messages from 192.0.2.25 temporarily deferred due to unexpected
    #   volume or user complaints - 4.16.55.1;
    #   see https://postmaster.yahooinc.com/error-codes (in reply to MAIL FROM command))
    #
    # However, the same error message is returned even for domains that are considered to
    # have a poor reputation without SPF, DKIM, or DMARC settings, or for other reasons.
    # It seems that the error message is not as granular as Google's.
    'temporarily deferred due to unexpected volume or user complaints',

    # - 451 Message temporarily deferred due to unresolvable RFC.5321 from domain.
    #   See https://senders.yahooinc.com/error-codes#unresolvable-from-domain
    'due to unresolvable rfc.5321 domain',

    # - 553 5.7.2 [TSS09] All messages from 192.0.2.25 will be permanently deferred;
    #   Retrying will NOT succeed. See https://postmaster.yahooinc.com/error-codes
    # - 553 5.7.2 [TSS11] All messages from 192.0.2.25 will be permanently deferred;
    #   Retrying will NOT succeed. See https://postmaster.yahooinc.com/error-codes
    ' will be permanently deferred',
  ],
  'suspend' => [
    # - 554 delivery error: dd ****@yahoo.com is no longer valid.
    # - 554 30 Sorry, your message to *****@aol.jp cannot be delivered.
    #   This mailbox is disabled (554.30)
    ' is no longer valid.',
    'this mailbox is disabled',
  ],
  'syntaxerror' => [
    # - 501 Syntax error in parameters or arguments
    'syntax error in parameters or arguments',
  ],
  'userunknown' => [
    # - 554 delivery error: dd This user doesn't have a yahoo.com account (***@yahoo.com)
    # - 552 1 Requested mail action aborted, mailbox not found (in reply to end of DATA command)
    "dd this user doesn't have a ",
    'mailbox not found',
  ],
}.freeze

Class Method Summary collapse

Class Method Details

.find(argvs) ⇒ String

Detect bounce reason from Yahoo Inc. (*.yahoodns.net)

Parameters:

Returns:

  • (String) —

    The bounce reason for YahooInc

See Also:

Since:

  • v5.1.0



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# File 'lib/sisimai/rhost/yahooinc.rb', line 89

def find(argvs)
  return argvs['reason'] if argvs['reason'].empty? == false
  issuedcode = argvs['diagnosticcode'].downcase
  reasontext = ''

  MessagesOf.each_key do |e|
    MessagesOf[e].each do |f|
      next if issuedcode.include?(f) == false
      reasontext = e
      break
    end
    break if reasontext.size > 0
  end

  return reasontext
end