Remailer support

Adds "remailer_canonical" request that allows canonical_map address rewriting with Postfix for uffd's remailer feature.

test_server.py

@@ -145,8 +145,6 @@ class TestSocketmapsRequestHandler(unittest.TestCase):
 		api = UffdAPIMock(remailer_map={
 			'v1-23-testuser@remailer.example.com': 'testuser@example.com',
 			'v1-23-testadmin@remailer.example.com': 'testadmin@example.com',
-			# Artifical entry to test if map is queried (see _with_remailer_domain case)
-			'foobar@test.example.com': 'DOESNOTEXIT',
 		})
 		RequestHandler = make_requesthandler(api)
 
@@ -167,43 +165,3 @@ class TestSocketmapsRequestHandler(unittest.TestCase):
 		conn = MockConnection(request, 4096)
 		RequestHandler(conn, '', None).handle()
 		self.assertEqual(conn.sent, response)
-
-		# See _with_remailer_domain case
-		request = b'42:remailer_canonical foobar@test.example.com,'
-		response = b'14:OK DOESNOTEXIT,'
-		conn = MockConnection(request, 4096)
-		RequestHandler(conn, '', None).handle()
-		self.assertEqual(conn.sent, response)
-
-	def test_handle_remailer_with_remailer_domain(self):
-		api = UffdAPIMock(remailer_map={
-			'v1-23-testuser@remailer.example.com': 'testuser@example.com',
-			'v1-23-testadmin@remailer.example.com': 'testadmin@example.com',
-			# Artifical entry to test if map is queried
-			'foobar@test.example.com': 'DOESNOTEXIT',
-		})
-		RequestHandler = make_requesthandler(api, remailer_domain='remailer.example.com')
-
-		request = b'54:remailer_canonical v1-23-testuser@remailer.example.com,'
-		response = b'23:OK testuser@example.com,'
-		conn = MockConnection(request, 4096)
-		RequestHandler(conn, '', None).handle()
-		self.assertEqual(conn.sent, response)
-
-		request = b'56:remailer_canonical v1-42-not-a-user@remailer.example.com,'
-		response = b'9:NOTFOUND ,'
-		conn = MockConnection(request, 4096)
-		RequestHandler(conn, '', None).handle()
-		self.assertEqual(conn.sent, response)
-
-		request = b'35:remailer_canonical test@example.com,'
-		response = b'9:NOTFOUND ,'
-		conn = MockConnection(request, 4096)
-		RequestHandler(conn, '', None).handle()
-		self.assertEqual(conn.sent, response)
-
-		request = b'42:remailer_canonical foobar@test.example.com,'
-		response = b'9:NOTFOUND ,'
-		conn = MockConnection(request, 4096)
-		RequestHandler(conn, '', None).handle()
-		self.assertEqual(conn.sent, response)