FIX: wasn't able to parse FROM email in the embedded email

spec/components/email/receiver_spec.rb

@@ -383,6 +383,32 @@ describe Email::Receiver do
       expect(Post.last.raw).to match(/discourse\.rb/)
     end
 
+    it "handles forwarded emails" do
+      SiteSetting.enable_forwarded_emails = true
+      expect { process(:forwarded_email_1) }.to change(Topic, :count)
+
+      forwarded_post, last_post = *Post.last(2)
+
+      expect(forwarded_post.user.email).to eq("some@one.com")
+      expect(last_post.user.email).to eq("ba@bar.com")
+
+      expect(forwarded_post.raw).to match(/XoXo/)
+      expect(last_post.raw).to match(/can you have a look at this email below/)
+    end
+
+    it "handles weirdly forwarded emails" do
+      SiteSetting.enable_forwarded_emails = true
+      expect { process(:forwarded_email_2) }.to change(Topic, :count)
+
+      forwarded_post, last_post = *Post.last(2)
+
+      expect(forwarded_post.user.email).to eq("some@one.com")
+      expect(last_post.user.email).to eq("ba@bar.com")
+
+      expect(forwarded_post.raw).to match(/XoXo/)
+      expect(last_post.raw).to match(/can you have a look at this email below/)
+    end
+
   end
 
   context "new topic in a category" do

spec/fixtures/emails/forwarded_email_1.eml

@@ -0,0 +1,18 @@
+Message-ID: <58@foo.bar.mail>
+From: Ba Bar <ba@bar.com>
+To: Team <team@bar.com>
+Date: Mon, 1 Dec 2016 13:37:42 +0100
+Subject: FW: Discoursing much?
+
+@team, can you have a look at this email below?
+
+From: Some One <some@one.com>
+To: Ba Bar <ba@bar.com>
+Date: Mon, 1 Dec 2016 00:13:37 +0100
+Subject: Discoursing much?
+
+Hello Ba Bar,
+
+Discoursing much today?
+
+XoXo

spec/fixtures/emails/forwarded_email_2.eml

@@ -0,0 +1,18 @@
+Message-ID: <59@foo.bar.mail>
+From: Ba Bar <ba@bar.com>
+To: Team <team@bar.com>
+Date: Mon, 1 Dec 2016 13:37:42 +0100
+Subject: Re: Discoursing much?
+
+@team, can you have a look at this email below?
+
+From: Some One [mailto:some@one.com]
+To: Ba Bar <ba@bar.com>
+Date: Mon, 1 Dec 2016 00:13:37 +0100
+Subject: Discoursing much?
+
+Hello Ba Bar,
+
+Discoursing much today?
+
+XoXo