Index: test/unit/mail_handler_test.rb
===================================================================
--- test/unit/mail_handler_test.rb	(revision 12902)
+++ test/unit/mail_handler_test.rb	(working copy)
@@ -304,6 +304,30 @@
     end
   end
 
+  def test_add_issue_by_created_user_parentheses
+    Setting.default_language = 'en'
+    assert_difference 'User.count' do
+      issue = submit_email(
+                'ticket_by_unknown_user_parentheses.eml',
+                :issue => {:project => 'ecookbook'},
+                :unknown_user => 'create'
+              )
+      assert issue.is_a?(Issue)
+      assert issue.author.active?
+      assert_equal 'john.doe@somenet.foo', issue.author.mail
+      assert_equal 'John', issue.author.firstname
+      assert_equal 'Doe', issue.author.lastname
+
+      # account information
+      email = ActionMailer::Base.deliveries.first
+      assert_not_nil email
+      assert email.subject.include?('account activation')
+      login = mail_body(email).match(/\* Login: (.*)$/)[1].strip
+      password = mail_body(email).match(/\* Password: (.*)$/)[1].strip
+      assert_equal issue.author, User.try_to_login(login, password)
+    end
+  end
+
   def test_created_user_should_be_added_to_groups
     group1 = Group.generate!
     group2 = Group.generate!
Index: test/fixtures/mail_handler/ticket_by_unknown_user_parentheses.eml
===================================================================
--- test/fixtures/mail_handler/ticket_by_unknown_user_parentheses.eml	(revision 0)
+++ test/fixtures/mail_handler/ticket_by_unknown_user_parentheses.eml	(revision 0)
@@ -0,0 +1,18 @@
+Return-Path: <john.doe@somenet.foo>
+Received: from osiris ([127.0.0.1])
+	by OSIRIS
+	with hMailServer ; Sun, 22 Jun 2008 12:28:07 +0200
+Message-ID: <000501c8d452$a95cd7e0$0a00a8c0@osiris>
+From: john.doe@somenet.foo (John Doe)
+To: <redmine@somenet.foo>
+Subject: Ticket by unknown user
+Date: Sun, 22 Jun 2008 12:28:07 +0200
+MIME-Version: 1.0
+Content-Type: text/plain;
+	format=flowed;
+	charset="iso-8859-1";
+	reply-type=original
+Content-Transfer-Encoding: 7bit
+
+This is a ticket submitted by an unknown user.
+