Module: Sisimai::Reason::Rejected

Defined in:
lib/sisimai/reason/rejected.rb

Overview

Sisimai::Reason::Rejected checks the bounce reason is “rejected” or not. This class is called only Sisimai::Reason class.

This is the error that a connection to destination server was rejected by a sender’s email address (envelope from). Sisimai set “rejected” to the reason of email bounce if the value of Status: field in a bounce email is “5.1.8” or the connection has been rejected due to the argument of SMTP MAIL command.

<kijitora@example.org>:
Connected to 192.0.2.225 but sender was rejected.
Remote host said: 550 5.7.1 <root@nijo.example.jp>... Access denied

Constant Summary collapse

IsNot = 
[
  "5.1.0 address rejected",
  "ip address ",
  "recipient address rejected",
].freeze
Index = 
[
  "access denied (in reply to mail from command)",
  "administrative prohibition",
  "all recipient addresses rejected : access denied",
  "badsendermx", # BadSenderMX
  "backscatter protection detected an invalid or expired email address", # MDaemon
  "by non-member to a members-only list",
  "can't determine purported responsible address",
  "connections not accepted from servers without a valid sender domain",
  "denied by secumail valid-address-filter", # SecuMail
  "domain of sender address ",
  "email address is on senderfilterconfig list",
  "emetteur invalide",
  "empty email address",
  "empty envelope senders not allowed",
  "from: domain is invalid. please provide a valid from:",
  "fully qualified email address required",   # McAfee
  "has an outgoing mail suspension",
  "invalid sender",
  "is not a registered gateway user",
  "mail from not owned by user",
  "mailfrom domain is listed in spamhaus",
  "not member article from ", # FML
  "null sender is not allowed",
  "returned mail not accepted here",
  "sending this from a different address or alias using the ",
  "sender is spammer",
  "sender not pre-approved",
  "sender domain is empty",
  "sender domain listed at ",
  "sender verify failed",     # Exim callout
  "sendernoa",                # SenderNoA
  "server does not accept mail from",
  "spam reporting address",   # SendGrid|a message to an address has previously been marked as Spam by the recipient.
  "too many spam complaints",
  "unroutable sender address",
  "you are not allowed to post to this mailing list",
  "your access to submit messages to this e-mail system has been rejected",
  "your email address has been blacklisted",  # MessageLabs
].freeze
Pairs = 
[
  ["after end of data:", ".", " does not exist"],
  ["after mail from:", ".", " does not exist"],
  ["domain ", " is a dead domain"],
  ["email address ", "is not "],
  ["reject mail from ", "@"], # FML
  ["send", "blacklisted"],
  ["sender", " rejected"],
  ["sender is", " list"],
].freeze

Class Method Summary collapse

Class Method Details

.description ⇒ Object 



73
 
# File 'lib/sisimai/reason/rejected.rb', line 73

def description; return "Email rejected due to a sender's email address (envelope from)"; end

.match(argv1) ⇒ Boolean

Try to match that the given text and regular expressions

Parameters:

  • argv1 (String) —

    String to be matched with regular expressions

Returns:

  • (Boolean) —

    false: Did not match, true: Matched



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# File 'lib/sisimai/reason/rejected.rb', line 78

def match(argv1)
  return false if argv1.nil? || argv1.empty?
  return false if IsNot.any? { |a| argv1.include?(a) }
  return true  if Index.any? { |a| argv1.include?(a) }
  return true  if Pairs.any? { |a| Sisimai::String.aligned(argv1, a) }
  return false
end

.text ⇒ Object 



72
 
# File 'lib/sisimai/reason/rejected.rb', line 72

def text; return 'rejected'; end

.true(argvs) ⇒ Boolean

Rejected by the envelope sender address or not

Parameters:

Returns:

  • (Boolean) —

    true: is rejected false: is not rejected by the sender

See Also:



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# File 'lib/sisimai/reason/rejected.rb', line 91

def true(argvs)
  return true if argvs['reason'] == 'rejected'
  tempreason = Sisimai::SMTP::Status.name(argvs['deliverystatus'])
  return true if tempreason == 'rejected' # Delivery status code points "rejected".

  # Check the value of Diagnosic-Code: header with patterns
  issuedcode = argvs['diagnosticcode'].downcase
  thecommand = argvs['command'] || ''
  if thecommand == 'MAIL'
    # The session was rejected at 'MAIL FROM' command
    return true if match(issuedcode)

  elsif thecommand == 'DATA'
    # The session was rejected at 'DATA' command
    if tempreason != 'userunknown'
      # Except "userunknown"
      return true if match(issuedcode)
    end
  elsif %w[onhold undefined securityerror systemerror].include?(tempreason) || tempreason == ""
    # Try to match with message patterns when the temporary reason is "onhold", "undefined",
    # "securityerror", or "systemerror"
    return true if match(issuedcode)
  end
  return false
end