Sisimai::Lhost::DragonFly

.github/workflows/codecovio.yml

@@ -3,13 +3,15 @@ on:
   push:
     branches: ["5-stable"]
   pull_request:
-    branches: ["5-stable"]
+    branches: ["*"]
 jobs:
   codecov:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout the repository(CRuby)
         uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.pull_request.head.ref }}
       - name: Setup CRuby
         uses: ruby/setup-ruby@v1
         with:

.github/workflows/rake-test.yml

@@ -3,7 +3,7 @@ on:
   push:
     branches: ["5-stable"]
   pull_request:
-    branches: ["5-stable"]
+    branches: ["*"]
 jobs:
   test-cruby:
     name: rake test with CRuby ${{ matrix.cruby }}
@@ -15,6 +15,8 @@ jobs:
     steps:
       - name: Checkout the repository(CRuby)
         uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.pull_request.head.ref }}
       - name: Setup CRuby
         uses: ruby/setup-ruby@v1
         with:
@@ -38,7 +40,9 @@ jobs:
         jruby: ["jruby-9.2", "jruby-9.4"]
     steps:
       - name: Checkout the repository(JRuby)
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.pull_request.head.ref }}
       - name: Setup JRuby 
         uses: ruby/setup-ruby@v1
         with:

lib/sisimai/lhost.rb

@@ -42,8 +42,8 @@ def INDICATORS
       def index
         return %w[
           Activehunter Amavis AmazonSES AmazonWorkMail Aol ApacheJames Barracuda Bigfoot Biglobe
-          Courier Domino EZweb EinsUndEins Exchange2003 Exchange2007 Exim FML Facebook GMX GSuite
-          GoogleGroups Gmail IMailServer InterScanMSS KDDI MXLogic MailFoundry MailMarshalSMTP
+          Courier Domino DragonFly EZweb EinsUndEins Exchange2003 Exchange2007 Exim FML Facebook GMX
+          GSuite GoogleGroups Gmail IMailServer InterScanMSS KDDI MXLogic MailFoundry MailMarshalSMTP
           MailRu McAfee MessageLabs MessagingServer Notes Office365 OpenSMTPD Outlook Postfix
           PowerMTA ReceivingSES SendGrid Sendmail SurfControl V5sendmail Verizon X1 X2 X3 X4 X5 X6
           Yahoo Yandex Zoho MFILTER Qmail

lib/sisimai/lhost/dragonfly.rb

@@ -0,0 +1,113 @@
+module Sisimai::Lhost
+  # Sisimai::Lhost::DragonFly parses a bounce email which created by DMA: DragonFly Mail Agent.
+  # Methods in the module are called from only Sisimai::Message.
+  module DragonFly
+    class << self
+      require 'sisimai/lhost'
+      require 'sisimai/address'
+      require 'sisimai/smtp/command'
+
+      Indicators = Sisimai::Lhost.INDICATORS
+      Boundaries = ['Original message follows.', 'Message headers follow'].freeze
+      StartingOf = {
+        # https://github.com/corecode/dma/blob/ffad280aa40c242aa9a2cb9ca5b1b6e8efedd17e/mail.c#L84
+        message: ['This is the DragonFly Mail Agent '],
+      }.freeze
+      MessagesOf = {
+        'expired' => [
+          # https://github.com/corecode/dma/blob/master/dma.c#L370C1-L374C19
+          # dma.c:370| if (gettimeofday(&now, NULL) == 0 &&
+          # dma.c:371|     (now.tv_sec - st.st_mtim.tv_sec > MAX_TIMEOUT)) {
+          # dma.c:372|     snprintf(errmsg, sizeof(errmsg),
+          # dma.c:373|          "Could not deliver for the last %d seconds. Giving up.",
+          # dma.c:374|          MAX_TIMEOUT);
+          # dma.c:375|     goto bounce;
+          # dma.c:376| }
+          'Could not deliver for the last ',
+        ],
+        'hostunknown' => [
+          # net.c:663| snprintf(errmsg, sizeof(errmsg), "DNS lookup failure: host %s not found", host);
+          'DNS lookup failure: host ',
+        ],
+      }.freeze
+
+      # Parse bounce messages from DMA: DragonFly Mail Agent
+      # @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
+      def inquire(mhead, mbody)
+        return nil unless mhead['subject'].start_with?('Mail delivery failed')
+        return nil unless mhead['received'].any? { |a| a.include?(' (DragonFly Mail Agent') }
+
+        dscontents = [Sisimai::Lhost.DELIVERYSTATUS]
+        emailparts = Sisimai::RFC5322.part(mbody, Boundaries)
+        bodyslices = emailparts[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 the DragonFly Mail Agent v0.13 at df.example.jp.
+          #
+          # There was an error delivering your mail to <[email protected]>.
+          #
+          # email.example.jp [192.0.2.25] did not like our RCPT TO:
+          # 552 5.2.2 <[email protected]>: Recipient address rejected: Mailbox full
+          #
+          # Original message follows.
+          v = dscontents[-1]
+
+          if e.start_with?('There was an error delivering your mail to <')
+            # email.example.jp [192.0.2.25] did not like our RCPT TO:
+            # 552 5.2.2 <[email protected]>: Recipient address rejected: Mailbox full
+            if v['recipient']
+              # There are multiple recipient addresses in the message body.
+              dscontents << Sisimai::Lhost.DELIVERYSTATUS
+              v = dscontents[-1]
+            end
+            v['recipient'] = Sisimai::Address.find(e, false)[0][:address]
+            recipients += 1
+          else
+            # Pick the error message
+            v['diagnosis'] ||= ''
+            v['diagnosis'] << ' ' << e
+
+            # Pick the remote hostname, and the SMTP command
+            # net.c:500| snprintf(errmsg, sizeof(errmsg), "%s [%s] did not like our %s:\n%s",
+            next unless e.include?(' did not like our ')
+            next if v['rhost']
+
+            p = e.split(' ', 3)
+            v['rhost']   = if p[0].include?('.') then p[0] else p[1] end
+            v['command'] = Sisimai::SMTP::Command.find(e) || ''
+          end
+        end
+        return nil unless recipients > 0
+
+        dscontents.each do |e|
+          e['diagnosis'] = Sisimai::String.sweep(e['diagnosis'])
+          MessagesOf.each_key do |r|
+            # Verify each regular expression of session errors
+            next unless MessagesOf[r].any? { |a| e['diagnosis'].include?(a) }
+            e['reason'] = r
+            break
+          end
+        end
+        return { 'ds' => dscontents, 'rfc822' => emailparts[1] }
+      end
+      def description; return 'DragonFly'; end
+    end
+  end
+end
+

lib/sisimai/order.rb

@@ -105,6 +105,7 @@ class << self
         'loop-alert'    => ['Sisimai::Lhost::FML'],
         'mail-delivery' => [
           'Sisimai::Lhost::Exim',
+          'Sisimai::Lhost::DragonFly',
           'Sisimai::Lhost::MailRu',
           'Sisimai::Lhost::GMX',
           'Sisimai::Lhost::EinsUndEins',

lib/sisimai/reason/norelaying.rb

@@ -15,6 +15,7 @@ class << self
           'insecure mail relay',
           'is not permitted to relay through this server without authentication',
           'mail server requires authentication when attempting to send to a non-local e-mail address', # MailEnable
+          'no relaying',
           'not a gateway',
           'not allowed to relay through this machine',
           'not an open relay, so get lost',

set-of-emails/maildir/bsd/lhost-dragonfly-01.eml

@@ -0,0 +1,36 @@
+Received: from MAILER-DAEMON
+	id e0720
+	by df.example.jp (DragonFly Mail Agent v0.13);
+	Tue, 11 Jun 2024 18:02:02 +0900
+X-Original-To: <[email protected]>
+From: MAILER-DAEMON <>
+To: [email protected]
+Subject: Mail delivery failed
+Message-Id: <[email protected]>
+Date: Tue, 11 Jun 2024 18:02:02 +0900
+
+This is the DragonFly Mail Agent v0.13 at df.example.jp.
+
+There was an error delivering your mail to <[email protected]>.
+
+gmail-smtp-in.l.google.com [74.125.203.27] did not like our final DATA:
+550-5.7.26 Unauthenticated email from example.jp is not accepted due to domain's
+550-5.7.26 DMARC policy. Please contact the administrator of example.jp domain if
+550-5.7.26 this was a legitimate mail. To learn about the DMARC initiative, go
+550-5.7.26 to
+550 5.7.26  https://support.google.com/mail/?p=DmarcRejection 98e67ed59e1d1-2c2d0e28189si6418580a91.13 - gsmtp
+
+Message headers follow.
+
+Received: from root (uid 0)
+	(envelope-from [email protected])
+	id e06d1
+	by df.example.jp (DragonFly Mail Agent v0.13);
+	Tue, 11 Jun 2024 18:02:00 +0900
+Subject: Nyaan 01
+To: <[email protected]>
+User-Agent: mail (GNU Mailutils 3.14)
+Date: Tue, 11 Jun 2024 18:02:00 +0900
+Message-Id: <[email protected]>
+From: <[email protected]>
+

set-of-emails/maildir/bsd/lhost-dragonfly-02.eml

@@ -0,0 +1,32 @@
+Received: from MAILER-DAEMON
+	id e0720
+	by df.example.jp (DragonFly Mail Agent v0.13);
+	Tue, 11 Jun 2024 18:04:02 +0900
+X-Original-To: <[email protected]>
+From: MAILER-DAEMON <>
+To: [email protected]
+Subject: Mail delivery failed
+Message-Id: <[email protected]>
+Date: Tue, 11 Jun 2024 18:04:02 +0900
+
+This is the DragonFly Mail Agent v0.13 at df.example.jp.
+
+There was an error delivering your mail to <[email protected]>.
+
+outlook-com.olc.protection.outlook.com [52.101.42.17] did not like our final DATA:
+550 5.7.509 Access denied, sending domain [DF.EXAMPLE.JP] does not pass DMARC verification and has a DMARC policy of reject. [TYCP286MB3363.JPNP286.PROD.OUTLOOK.COM 2024-06-11T09:04:02.679Z 08DC8850F12E1502] [MW4PR04CA0381.namprd04.prod.outlook.com 2024-06-11T09:04:02.743Z 08DC87B4931D8FD2] [CO1PEPF000066EC.namprd05.prod.outlook.com 2024-06-11T09:04:02.731Z 08DC89E7235090DB]
+
+Message headers follow.
+
+Received: from root (uid 0)
+	(envelope-from [email protected])
+	id e06d1
+	by df.example.jp (DragonFly Mail Agent v0.13);
+	Tue, 11 Jun 2024 18:04:00 +0900
+Subject: Nyaan 01
+To: <[email protected]>
+User-Agent: mail (GNU Mailutils 3.14)
+Date: Tue, 11 Jun 2024 18:04:00 +0900
+Message-Id: <[email protected]>
+From: <[email protected]>
+

set-of-emails/maildir/bsd/lhost-dragonfly-03.eml

@@ -0,0 +1,32 @@
+Received: from MAILER-DAEMON
+	id e0720
+	by df.example.jp (DragonFly Mail Agent v0.13);
+	Tue, 11 Jun 2024 18:09:35 +0900
+X-Original-To: <[email protected]>
+From: MAILER-DAEMON <>
+To: [email protected]
+Subject: Mail delivery failed
+Message-Id: <[email protected]>
+Date: Tue, 11 Jun 2024 18:09:35 +0900
+
+This is the DragonFly Mail Agent v0.13 at df.example.jp.
+
+There was an error delivering your mail to <[email protected]>.
+
+mta5.am0.yahoodns.net [67.195.204.79] did not like our final DATA:
+554 5.7.9 Message not accepted for policy reasons. See https://senders.yahooinc.com/error-codes
+
+Message headers follow.
+
+Received: from root (uid 0)
+	(envelope-from [email protected])
+	id e06d1
+	by df.example.jp (DragonFly Mail Agent v0.13);
+	Tue, 11 Jun 2024 18:09:33 +0900
+Subject: Nyaan 01
+To: <[email protected]>
+User-Agent: mail (GNU Mailutils 3.14)
+Date: Tue, 11 Jun 2024 18:09:33 +0900
+Message-Id: <[email protected]>
+From: <[email protected]>
+

set-of-emails/maildir/bsd/lhost-dragonfly-04.eml

@@ -0,0 +1,31 @@
+Received: from MAILER-DAEMON
+	id e0724
+	by df.example.jp (DragonFly Mail Agent v0.13);
+	Tue, 11 Jun 2024 18:15:33 +0900
+X-Original-To: <[email protected]>
+From: MAILER-DAEMON <>
+To: [email protected]
+Subject: Mail delivery failed
+Message-Id: <[email protected]>
+Date: Tue, 11 Jun 2024 18:15:33 +0900
+
+This is the DragonFly Mail Agent v0.13 at df.example.jp.
+
+There was an error delivering your mail to <[email protected]>.
+
+DNS lookup failure: host cx.libsisimai.org not found
+
+Message headers follow.
+
+Received: from root (uid 0)
+	(envelope-from [email protected])
+	id e0722
+	by df.example.jp (DragonFly Mail Agent v0.13);
+	Tue, 11 Jun 2024 18:15:33 +0900
+Subject: Nyaan 01
+To: <[email protected]>
+User-Agent: mail (GNU Mailutils 3.14)
+Date: Tue, 11 Jun 2024 18:15:33 +0900
+Message-Id: <[email protected]>
+From: <[email protected]>
+

set-of-emails/maildir/bsd/lhost-dragonfly-05.eml

@@ -0,0 +1,32 @@
+Received: from MAILER-DAEMON
+	id e0724
+	by df.example.jp (DragonFly Mail Agent v0.13);
+	Tue, 11 Jun 2024 18:17:34 +0900
+X-Original-To: <[email protected]>
+From: MAILER-DAEMON <>
+To: [email protected]
+Subject: Mail delivery failed
+Message-Id: <[email protected]>
+Date: Tue, 11 Jun 2024 18:17:34 +0900
+
+This is the DragonFly Mail Agent v0.13 at df.example.jp.
+
+There was an error delivering your mail to <[email protected]>.
+
+mail-inbound.libsisimai.net [192.0.2.25] did not like our RCPT TO:
+550 5.7.26 <[email protected]>: Recipient address rejected: Multiple authentication checks failed
+
+Message headers follow.
+
+Received: from root (uid 0)
+	(envelope-from [email protected])
+	id e0722
+	by df.example.jp (DragonFly Mail Agent v0.13);
+	Tue, 11 Jun 2024 18:17:33 +0900
+Subject: Nyaan 01
+To: <[email protected]>
+User-Agent: mail (GNU Mailutils 3.14)
+Date: Tue, 11 Jun 2024 18:17:33 +0900
+Message-Id: <[email protected]>
+From: <[email protected]>
+

set-of-emails/maildir/bsd/lhost-dragonfly-06.eml

@@ -0,0 +1,32 @@
+Received: from MAILER-DAEMON
+	id e0726
+	by df.example.jp (DragonFly Mail Agent v0.13);
+	Tue, 11 Jun 2024 18:21:33 +0900
+X-Original-To: <[email protected]>
+From: MAILER-DAEMON <>
+To: [email protected]
+Subject: Mail delivery failed
+Message-Id: <[email protected]>
+Date: Tue, 11 Jun 2024 18:21:33 +0900
+
+This is the DragonFly Mail Agent v0.13 at df.example.jp.
+
+There was an error delivering your mail to <[email protected]>.
+
+mail-inbound.libsisimai.net [192.0.2.25] did not like our RCPT TO:
+550 5.7.25 <[email protected]>: Recipient address rejected: Reverse DNS validation failed: See https://libsisimai.org/en/reason/#blocked
+
+Message headers follow.
+
+Received: from root (uid 0)
+	(envelope-from [email protected])
+	id e0724
+	by df.example.jp (DragonFly Mail Agent v0.13);
+	Tue, 11 Jun 2024 18:21:33 +0900
+Subject: Nyaan 01
+To: <[email protected]>
+User-Agent: mail (GNU Mailutils 3.14)
+Date: Tue, 11 Jun 2024 18:21:33 +0900
+Message-Id: <[email protected]>
+From: <[email protected]>
+