Module: Sisimai::Rhost::Facebook

Defined in:
lib/sisimai/rhost/facebook.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 “*.facebook.com”. This class is called only from Sisimai::Fact class.

Constant Summary collapse

ErrorCodes = 
{
  # http://postmaster.facebook.com/response_codes
  # NOT TESTD EXCEPT RCP-P2
  "authfailure" => [
    "POL-P7",   # The message does not comply with Facebook's Domain Authentication requirements.
  ],
  "blocked" => [
    "POL-P1",   # Your mail server's IP Address is listed on the Spamhaus PBL.
    "POL-P2",   # Facebook will no longer accept mail from your mail server's IP Address.
    "POL-P3",   # Facebook is not accepting messages from your mail server. This will persist for 4 to 8 hours.
    "POL-P4",   # ". This will persist for 24 to 48 hours.
    "POL-T1",   # ", but they may be retried later. This will persist for 1 to 2 hours.
    "POL-T2",   # ", but they may be retried later. This will persist for 4 to 8 hours.
    "POL-T3",   # ", but they may be retried later. This will persist for 24 to 48 hours.
  ],
  "contenterror" => [
    "MSG-P2",   # The message contains an attachment type that Facebook does not accept.
  ],
  "emailtoolarge" => [
    "MSG-P1",   # The message exceeds Facebook's maximum allowed size.
    "INT-P2",   # The message exceeds Facebook's maximum allowed size.
  ],
  "filtered" => [
    "RCP-P2",   # The attempted recipient's preferences prevent messages from being delivered.
    "RCP-P3",   # The attempted recipient's privacy settings blocked the delivery.
  ],
  "mailboxfull" => [
    "INT-P7",   # The attempted recipient has exceeded their storage quota.
  ],
  "notcompliantrfc" => [
    "MSG-P3",   # The message contains multiple instances of a header field that can only be present once.
  ],
  "policyviolation" => [
    "POL-P8",   # The message does not comply with Facebook's abuse policies and will not be accepted.
  ],
  "ratelimited" => [
    "CON-T1",   # Facebook's mail server currently has too many connections open to allow another one.
    "CON-T2",   # Your mail server currently has too many connections open to Facebook's mail servers.
    "CON-T3",   # Your mail server has opened too many new connections to Facebook's mail servers in a short period of time.
    "CON-T4",   # Your mail server has exceeded the maximum number of recipients for its current connection.
    "MSG-T1",   # The number of recipients on the message exceeds Facebook's allowed maximum.
  ],
  "rejected" => [
    "DNS-P1",   # Your SMTP MAIL FROM domain does not exist.
    "DNS-P2",   # Your SMTP MAIL FROM domain does not have an MX record.
    "DNS-T1",   # Your SMTP MAIL FROM domain exists but does not currently resolve.
  ],
  "requireptr" => [
    "DNS-P3",   # Your mail server does not have a reverse DNS record.
    "DNS-T2",   # You mail server's reverse DNS record does not currently resolve.
  ],
  "spamdetected" => [
    "POL-P6",   # The message contains a url that has been blocked by Facebook.
  ],
  "suspend" => [
    "RCP-T4",   # The attempted recipient address is currently deactivated. The user may or may not reactivate it.
  ],
  "systemerror" => [
    "RCP-T1",   # The attempted recipient address is not currently available due to an internal system issue.
    "INT-Tx",   # These codes indicate a temporary issue internal to Facebook's system.
  ],
  "userunknown" => [
    "RCP-P1",   # The attempted recipient address does not exist.
    "INT-P1",   # The attempted recipient address does not exist.
    "INT-P3",   # The attempted recipient group address does not exist.
    "INT-P4",   # The attempted recipient address does not exist.
  ],
  "virusdetected" => [
    "POL-P5",   # The message contains a virus.
  ],
}.freeze

Class Method Summary collapse

Class Method Details

.find(argvs) ⇒ String

Detect bounce reason from Facebook

Parameters:

Returns:

  • (String) —

    The bounce reason for Facebook

Since:

  • v5.2.0



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# File 'lib/sisimai/rhost/facebook.rb', line 84

def find(argvs)
  return "" if argvs["diagnosticcode"].empty?
  return "" if argvs["diagnosticcode"].include?("-") == false

  errorindex = argvs["diagnosticcode"].index("-")
  errorlabel = argvs["diagnosticcode"][errorindex - 3, 6]
  reasontext = ''

  ErrorCodes.each_key do |e|
    # The key is a bounce reason name
    next if ErrorCodes[e].none? { |a| errorlabel == a }
    reasontext = e
    break
  end

  return reasontext
end