mailer.rb in mailgun-ruby-1.2.3

- old
+ new

@@ -30,10 +30,12 @@
       @mg_client = Mailgun::Client.new(
         config[:api_key],
         config[:api_host] || 'api.mailgun.net',
         config[:api_version] || 'v3',
         config[:api_ssl].nil? ? true : config[:api_ssl],
+        false,
+        config[:timeout],
       )
       @domain = @config[:domain]
 
       # To avoid exception in mail gem v2.6
       @settings = { return_response: true }
@@ -81,10 +83,10 @@
       message["v:#{k}"] = JSON.dump(v)
     end
 
     # o:* attributes (options)
     mail.mailgun_options.try(:each) do |k, v|
-      message["o:#{k}"] = v
+      message["o:#{k}"] = v.dup
     end
 
     # support for using ActionMailer's `headers()` inside of the mailer
     # note: this will filter out parameters such as `from`, `to`, and so forth
     #       as they are accepted as POST parameters on the message endpoint.