module Sisimai::Lhost::X6
Sisimai::Lhost::X6
parses a bounce email which created by Unknown MTA #6. Methods in the module are called from only Sisimai::Message
.
Constants
- Indicators
- MarkingsOf
- ReBackbone
Public Class Methods
description()
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# File lib/sisimai/lhost/x6.rb, line 70 def description; return 'Unknown MTA #6'; end
make(mhead, mbody)
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Parse bounce messages from Unknown MTA #6 @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 @since v4.25.6
# File lib/sisimai/lhost/x6.rb, line 19 def make(mhead, mbody) return nil unless mhead['subject'].start_with?('There was an error sending your mail') 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 =~ MarkingsOf[:message] next end next if (readcursor & Indicators[:deliverystatus]) == 0 next if e.empty? # 1 error(s): # # SMTP Server <mta2.example.jp> rejected recipient <kijitora@examplejp> # (Error following RCPT command). It responded as follows: [550 5.1.1 User unknown]v = dscontents[-1] v = dscontents[-1] if cv = e.match(/<([^ @]+[@][^ @]+)>/) || e.match(/errors:[ ]*([^ ]+[@][^ ]+)/) # SMTP Server <mta2.example.jp> rejected recipient <kijitora@examplejp> # The following recipients returned permanent errors: neko@example.jp. if v['recipient'] # There are multiple recipient addresses in the message body. dscontents << Sisimai::Lhost.DELIVERYSTATUS v = dscontents[-1] end v['recipient'] = Sisimai::Address.s3s4(cv[1]) v['diagnosis'] = e recipients += 1 end end return nil unless recipients > 0 dscontents.each do |e| if cv = e['diagnosis'].match(/\b(HELO|EHLO|MAIL|RCPT|DATA)\b/) # ...(Error following RCPT command). e['command'] = cv[1] end e['diagnosis'] = Sisimai::String.sweep(e['diagnosis']) end return { 'ds' => dscontents, 'rfc822' => emailsteak[1] } end