Module: Sisimai::Rhost::Tencent

Defined in:
lib/sisimai/rhost/tencent.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 “rhost” of the object is “mx*.qq.com”. This class is called only Sisimai::Fact class.

Constant Summary collapse

MessagesOf = 
{
  'authfailure' => [
    'spf check failed',         # https://service.mail.qq.com/detail/122/72
    'dmarc check failed',
  ],
  'blocked' => [
    'suspected bounce attacks', # https://service.mail.qq.com/detail/122/57
    'suspected spam ip',        # https://service.mail.qq.com/detail/122/66
    'connection denied',        # https://service.mail.qq.com/detail/122/170
  ],
  'emailtoolarge' => [
    'message too large',        # https://service.mail.qq.com/detail/122/168
  ],
  'ratelimited' => [
    'mailbox unavailable or access denined',      # https://service.mail.qq.com/detail/122/166
    'ip frequency limited',                       # https://service.mail.qq.com/detail/122/172
    'domain frequency limited',                   # https://service.mail.qq.com/detail/122/173
    'sender frequency limited',                   # https://service.mail.qq.com/detail/122/174
    'connection frequency limited',               # https://service.mail.qq.com/detail/122/175
    "frequency of receiving messages is limited", # https://service.mail.qq.com/detail/122/1011
  ],
  'rejected' => [
    'suspected spam',                   # https://service.mail.qq.com/detail/122/71
    'mail is rejected by recipients',   # https://service.mail.qq.com/detail/122/92
  ],
  'spamdetected' => [
    'spam is embedded in the email',    # https://service.mail.qq.com/detail/122/59
    'mail content denied',              # https://service.mail.qq.com/detail/122/171
  ],
  'suspend' => [
    'is a deactivated mailbox', # http://service.mail.qq.com/cgi-bin/help?subtype=1&&id=20022&&no=1000742
  ],
  'syntaxerror' => [
    'bad address syntax', # https://service.mail.qq.com/detail/122/167
  ],
  'userunknown' => [
    'mailbox not found',  # https://service.mail.qq.com/detail/122/169
  ],
}.freeze

Class Method Summary collapse

Class Method Details

.find(argvs) ⇒ String

Detect bounce reason from Tencent QQ

Parameters:

Returns:

  • (String) —

    The bounce reason at Tencent QQ



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# File 'lib/sisimai/rhost/tencent.rb', line 51

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