module Sisimai::Lhost::X3
Sisimai::Lhost::X3
parses a bounce email which created by Unknown MTA #3. Methods in the module are called from only Sisimai::Message
.
Constants
- Indicators
- ReBackbone
- StartingOf
Public Class Methods
description()
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# File lib/sisimai/lhost/x3.rb, line 92 def description; return 'Unknown MTA #3'; end
make(mhead, mbody)
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Parse bounce messages from Unknown MTA #3 @param [Hash] mhead Message
headers of a bounce email @param [String] mbody Message
body of a bounce email @return [Hash] Bounce data list and message/rfc822 part @return [Nil] it failed to parse or the arguments are missing
# File lib/sisimai/lhost/x3.rb, line 18 def make(mhead, mbody) return nil unless mhead['subject'].start_with?('Delivery status notification') return nil unless mhead['from'].start_with?('Mail Delivery System') dscontents = [Sisimai::Lhost.DELIVERYSTATUS] emailsteak = Sisimai::RFC5322.fillet(mbody, ReBackbone) bodyslices = emailsteak[0].split("\n") readcursor = 0 # (Integer) Points the current cursor position recipients = 0 # (Integer) The number of 'Final-Recipient' header v = nil while e = bodyslices.shift do # Read error messages and delivery status lines from the head of the email # to the previous line of the beginning of the original message. if readcursor == 0 # Beginning of the bounce message or delivery status part readcursor |= Indicators[:deliverystatus] if e.start_with?(StartingOf[:message][0]) next end next if (readcursor & Indicators[:deliverystatus]) == 0 next if e.empty? # ============================================================================ # This is an automatically generated Delivery Status Notification. # # Delivery to the following recipients failed permanently: # # * kijitora@example.com # # # ============================================================================ # Technical details: # # SMTP:RCPT host 192.0.2.8: 553 5.3.0 <kijitora@example.com>... No such user here # # # ============================================================================ v = dscontents[-1] if cv = e.match(/\A[ \t]+[*][ ]([^ ]+[@][^ ]+)\z/) # * kijitora@example.com if v['recipient'] # There are multiple recipient addresses in the message body. dscontents << Sisimai::Lhost.DELIVERYSTATUS v = dscontents[-1] end v['recipient'] = cv[1] recipients += 1 else # Detect error message if cv = e.match(/\ASMTP:([^ ]+)[ ](.+)\z/) # SMTP:RCPT host 192.0.2.8: 553 5.3.0 <kijitora@example.com>... No such user here v['command'] = cv[1].upcase v['diagnosis'] = cv[2] elsif cv = e.match(/\ARouting: (.+)/) # Routing: Could not find a gateway for kijitora@example.co.jp v['diagnosis'] = cv[1] elsif cv = e.match(/\ADiagnostic-Code: smtp; (.+)/) # Diagnostic-Code: smtp; 552 5.2.2 Over quota v['diagnosis'] = cv[1] end end end return nil unless recipients > 0 dscontents.each do |e| e['diagnosis'] = Sisimai::String.sweep(e['diagnosis']) e['status'] = Sisimai::SMTP::Status.find(e['diagnosis']) || '' end return { 'ds' => dscontents, 'rfc822' => emailsteak[1] } end