Add sendmail support based on merb-mailer

lib/mail/configuration.rb

@@ -75,6 +75,13 @@ def pop3(*args, &block)
       end
       set_settings(Mail::POP3, host_array, &block)
     end
+
+    def sendmail(sendmail_path = nil)
+      delivery_method :sendmail
+      set_settings(Mail::Sendmail) do
+        path sendmail_path
+      end
+    end
 
     # Allows you to define the retriever method for mail, defaults to POP3
     # 

lib/mail/network/delivery_methods/sendmail.rb

@@ -1,18 +1,22 @@
 module Mail
   class Sendmail
     include Singleton
-    
+
     def settings(&block)
       if block_given?
         instance_eval(&block)
       end
       self
     end
-
+
+    def path(value = nil)
+      value ? @path = value : @path
+    end
+
     def Sendmail.deliver!(mail)
-      # To be implemented
-      Mail.deliveries << mail
+      IO.popen("#{Mail.defaults.sendmail.path} #{mail.destinations.join(" ")}", "w+") do |io|
+        io.puts mail.to_s
+      end
     end
-
   end
-end
+end

spec/mail/configuration_spec.rb

@@ -25,4 +25,9 @@
 
   end
 
+  it "should configure sendmail" do
+    Mail.defaults { sendmail "/usr/bin/sendmail" }
+    Mail.defaults.delivery_method.should == Mail::Sendmail
+    Mail.defaults.sendmail.path.should == "/usr/bin/sendmail"
+  end
 end