Bugfix/Ruby 3.0 stdlib SMTP client SSL certificate verification issues

.rubocop.yml

@@ -404,6 +404,9 @@ Performance/RedundantSplitRegexpArgument:
 Performance/MapCompact:
   Enabled: true
 
+Performance/ConcurrentMonotonicTime:
+  Enabled: true
+
 RSpec/ExampleLength:
   Enabled: false
 

CHANGELOG.md

@@ -2,6 +2,18 @@
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [2.5.3] - 2021.11.08
+
+### Fixed
+
+- Ruby 3.0 stdlib SMTP client SSL certificate verification issues for cases when IP address uses as MX host. Thanks [@esb](https://github.com/esb) for bug report.
+
+### Updated
+
+- Updated `Truemail::Validate::Smtp::Request#run`
+- Updated gem development dependencies
+- Updated gem version
+
 ## [2.5.2] - 2021.10.06
 
 ### Fixed

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    truemail (2.5.2)
+    truemail (2.5.3)
       simpleidn (~> 0.2.1)
 
 GEM
@@ -20,7 +20,7 @@ GEM
     crack (0.4.5)
       rexml
     diff-lcs (1.4.4)
-    dns_mock (1.4.2)
+    dns_mock (1.4.3)
       simpleidn (~> 0.2.1)
     docile (1.4.0)
     fasterer (0.9.0)
@@ -29,7 +29,7 @@ GEM
     ffaker (2.20.0)
     hashdiff (1.0.1)
     iniparse (1.5.0)
-    json (2.5.1)
+    json (2.6.1)
     json_matchers (0.11.1)
       json_schema
     json_schema (0.21.0)
@@ -69,8 +69,8 @@ GEM
     rspec-mocks (3.10.2)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.10.0)
-    rspec-support (3.10.2)
-    rubocop (1.22.1)
+    rspec-support (3.10.3)
+    rubocop (1.22.3)
       parallel (~> 1.10)
       parser (>= 3.0.0.0)
       rainbow (>= 2.2.2, < 4.0)
@@ -79,17 +79,17 @@ GEM
       rubocop-ast (>= 1.12.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 3.0)
-    rubocop-ast (1.12.0)
+    rubocop-ast (1.13.0)
       parser (>= 3.0.1.1)
-    rubocop-performance (1.11.5)
+    rubocop-performance (1.12.0)
       rubocop (>= 1.7.0, < 2.0)
       rubocop-ast (>= 0.4.0)
-    rubocop-rspec (2.5.0)
+    rubocop-rspec (2.6.0)
       rubocop (~> 1.19)
     ruby-progressbar (1.11.0)
-    ruby_parser (3.17.0)
-      sexp_processor (~> 4.15, >= 4.15.1)
-    sexp_processor (4.15.3)
+    ruby_parser (3.18.0)
+      sexp_processor (~> 4.16)
+    sexp_processor (4.16.0)
     simplecov (0.17.1)
       docile (~> 1.1)
       json (>= 1.8, < 3)
@@ -115,9 +115,9 @@ PLATFORMS
   x86_64-darwin-20
 
 DEPENDENCIES
-  bundler (~> 2.2, >= 2.2.28)
+  bundler (~> 2.2, >= 2.2.31)
   bundler-audit (~> 0.9.0.1)
-  dns_mock (~> 1.4, >= 1.4.2)
+  dns_mock (~> 1.4, >= 1.4.3)
   fasterer (~> 0.9.0)
   ffaker (~> 2.20)
   json_matchers (~> 0.11.1)
@@ -126,13 +126,13 @@ DEPENDENCIES
   rake (~> 13.0, >= 13.0.6)
   reek (~> 6.0, >= 6.0.6)
   rspec (~> 3.10)
-  rubocop (~> 1.22, >= 1.22.1)
-  rubocop-performance (~> 1.11, >= 1.11.5)
-  rubocop-rspec (~> 2.5)
+  rubocop (~> 1.22, >= 1.22.3)
+  rubocop-performance (~> 1.12)
+  rubocop-rspec (~> 2.6)
   simplecov (~> 0.17.1)
   truemail!
   truemail-rspec (~> 0.7.0)
   webmock (~> 3.14)
 
 BUNDLED WITH
-   2.2.28
+   2.2.31

lib/truemail/validate/smtp/request.rb

@@ -35,7 +35,7 @@ def check_port
         end
 
         def run
-          session.start(configuration.verifier_domain) do |smtp_request|
+          session.start(configuration.verifier_domain, **(::RUBY_VERSION[/\A3\..+\z/] ? { tls_verify: false } : {})) do |smtp_request|
             response.connection = response.helo = true
             smtp_handshakes(smtp_request, response)
           end

lib/truemail/version.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module Truemail
-  VERSION = '2.5.2'
+  VERSION = '2.5.3'
 end

truemail.gemspec

@@ -33,9 +33,9 @@ Gem::Specification.new do |spec|
 
   spec.add_runtime_dependency 'simpleidn', '~> 0.2.1'
 
-  spec.add_development_dependency 'bundler', '~> 2.2', '>= 2.2.28'
+  spec.add_development_dependency 'bundler', '~> 2.2', '>= 2.2.31'
   spec.add_development_dependency 'bundler-audit', '~> 0.9.0.1'
-  spec.add_development_dependency 'dns_mock', '~> 1.4', '>= 1.4.2'
+  spec.add_development_dependency 'dns_mock', '~> 1.4', '>= 1.4.3'
   spec.add_development_dependency 'fasterer', '~> 0.9.0'
   spec.add_development_dependency 'ffaker', '~> 2.20'
   spec.add_development_dependency 'json_matchers', '~> 0.11.1'
@@ -44,9 +44,9 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'rake', '~> 13.0', '>= 13.0.6'
   spec.add_development_dependency 'reek', '~> 6.0', '>= 6.0.6'
   spec.add_development_dependency 'rspec', '~> 3.10'
-  spec.add_development_dependency 'rubocop', '~> 1.22', '>= 1.22.1'
-  spec.add_development_dependency 'rubocop-performance', '~> 1.11', '>= 1.11.5'
-  spec.add_development_dependency 'rubocop-rspec', '~> 2.5'
+  spec.add_development_dependency 'rubocop', '~> 1.22', '>= 1.22.3'
+  spec.add_development_dependency 'rubocop-performance', '~> 1.12'
+  spec.add_development_dependency 'rubocop-rspec', '~> 2.6'
   spec.add_development_dependency 'simplecov', '~> 0.17.1'
   spec.add_development_dependency 'truemail-rspec', '~> 0.7.0'
   spec.add_development_dependency 'webmock', '~> 3.14'