FIX: don't allow blocked user to send emails in

spec/components/email/receiver_spec.rb

@@ -43,6 +43,11 @@ describe Email::Receiver do
     expect { process(:inactive_sender) }.to raise_error(Email::Receiver::InactiveUserError)
   end
 
+  it "raises a BlockedUserError when the sender has been blocked" do
+    Fabricate(:user, email: "blocked@bar.com", blocked: true)
+    expect { process(:blocked_sender) }.to raise_error(Email::Receiver::BlockedUserError)
+  end
+
   skip "doesn't raise an InactiveUserError when the sender is staged" do
     Fabricate(:user, email: "staged@bar.com", active: false, staged: true)
     expect { process(:staged_sender) }.not_to raise_error

spec/fixtures/emails/blocked_sender.eml

@@ -0,0 +1,9 @@
+Return-Path: <blocked@bar.com>
+From: Foo Bar <blocked@bar.com>
+Date: Fri, 15 Jan 2016 00:12:43 +0100
+Message-ID: <8@foo.bar.mail>
+Mime-Version: 1.0
+Content-Type: text/plain
+Content-Transfer-Encoding: 7bit
+
+Lorem ipsum dolor sit amet, consectetur adipiscing elit.

spec/fixtures/emails/staged_sender.eml

@@ -1,7 +1,7 @@
 Return-Path: <staged@bar.com>
 From: Foo Bar <staged@bar.com>
 Date: Fri, 15 Jan 2016 00:12:43 +0100
-Message-ID: <9@foo.bar.mail>
+Message-ID: <39@foo.bar.mail>
 Mime-Version: 1.0
 Content-Type: text/plain
 Content-Transfer-Encoding: 7bit