diff --git a/relay/http_client.py b/relay/http_client.py
index ef1242d..79ac8b9 100644
--- a/relay/http_client.py
+++ b/relay/http_client.py
@@ -87,55 +87,60 @@ class HttpClient:
 			headers.update(self.database.signer.sign_headers(
 				'GET', url, algorithm='original'))
 
-		try:
-			logging.verbose(f'Fetching resource: {url}')
+		async with ClientSession(
+				connector=TCPConnector(
+					limit=self.limit, ttl_dns_cache=300),
+				headers=HEADERS,
+				connector_owner=True,
+				timeout=ClientTimeout(total=self.timeout)) as session:
+			try:
+				logging.verbose(f'Fetching resource: {url}')
+				async with session.get(url, headers=headers) as resp:
+					# Not expecting a response with 202s, so just return
+					if resp.status == 202:
+						return
 
-			async with self._session.get(url, headers=headers) as resp:
-				# Not expecting a response with 202s, so just return
-				if resp.status == 202:
-					return
+					elif resp.status != 200:
+						logging.verbose(
+							f'Received error when requesting {url}: {resp.status}')
+						logging.verbose(await resp.read())  # change this to debug
+						return
 
-				elif resp.status != 200:
-					logging.verbose(
-						f'Received error when requesting {url}: {resp.status}')
-					logging.verbose(await resp.read())  # change this to debug
-					return
+					if loads:
+						message = await resp.json(loads=loads)
 
-				if loads:
-					message = await resp.json(loads=loads)
+					elif resp.content_type == MIMETYPES['activity']:
+						message = await resp.json(loads=Message.new_from_json)
 
-				elif resp.content_type == MIMETYPES['activity']:
-					message = await resp.json(loads=Message.new_from_json)
+					elif resp.content_type == MIMETYPES['json']:
+						message = await resp.json(loads=DotDict.new_from_json)
 
-				elif resp.content_type == MIMETYPES['json']:
-					message = await resp.json(loads=DotDict.new_from_json)
+					else:
+						# todo: raise TypeError or something
+						logging.verbose(
+							f'Invalid Content-Type for "{url}": {resp.content_type}')
+						return logging.debug(f'Response: {resp.read()}')
 
-				else:
-					# todo: raise TypeError or something
-					logging.verbose(
-						f'Invalid Content-Type for "{url}": {resp.content_type}')
-					return logging.debug(f'Response: {resp.read()}')
+					logging.debug(f'{url} >> resp {message.to_json(4)}')
 
-				logging.debug(f'{url} >> resp {message.to_json(4)}')
+					self.cache[url] = message
+					return message
 
-				self.cache[url] = message
-				return message
+			except JSONDecodeError:
+				logging.verbose(f'Failed to parse JSON')
 
-		except JSONDecodeError:
-			logging.verbose(f'Failed to parse JSON')
+			except (ClientConnectorError, ServerTimeoutError):
+				logging.verbose(f'Failed to connect to {urlparse(url).netloc}')
 
-		except (ClientConnectorError, ServerTimeoutError):
-			logging.verbose(f'Failed to connect to {urlparse(url).netloc}')
+			except Exception as e:
+				traceback.print_exc()
+				raise e
 
-		except Exception as e:
-			traceback.print_exc()
-			raise e
-
-	async def post(self, url, message):
+	async def post(self, url, message, software=None):
 		instance = self.database.get_inbox(url)
 
 		# Using the old algo by default is probably a better idea right now
-		if instance and instance.get('software') in {'mastodon'}:
+		if (instance and instance.get('software') in {'mastodon'}) or (software and software in {'mastodon'}):
 			algorithm = 'hs2019'
 
 		else:
@@ -145,42 +150,18 @@ class HttpClient:
 		headers.update(self.database.signer.sign_headers(
 			'POST', url, message, algorithm=algorithm))
 
-		try:
-			logging.verbose(f'Sending "{message.type}" to {url}')
-			logging.verbose(
-				f'url: {url}\nheaders: {headers}\ndata: {message.to_json()}')
+		async with ClientSession(
+				connector=TCPConnector(
+					limit=self.limit, ttl_dns_cache=300),
+				headers=HEADERS,
+				connector_owner=True,
+				timeout=ClientTimeout(total=self.timeout)) as session:
 
-			# The following does not work and throws exception on 'relay inbox follow':
-			# Traceback (most recent call last):
-			# File "/home/vriess/Dokumente/Repos/relay-1/relay/http_client.py", line 153, in post
-			# 	async with self._session.post(url, headers=headers, data=message.to_json()) as resp:
-			# File "/home/vriess/Dokumente/Repos/relay-1/.venv/lib/python3.10/site-packages/aiohttp/client.py", line 1141, in __aenter__
-			# 	self._resp = await self._coro
-			# File "/home/vriess/Dokumente/Repos/relay-1/.venv/lib/python3.10/site-packages/aiohttp/client.py", line 448, in _request
-			# 	handle = tm.start()
-			# File "/home/vriess/Dokumente/Repos/relay-1/.venv/lib/python3.10/site-packages/aiohttp/helpers.py", line 651, in start
-			# 	return self._loop.call_at(when, self.__call__)
-			# File "/usr/lib/python3.10/asyncio/base_events.py", line 732, in call_at
-			# 	self._check_closed()
-			# File "/usr/lib/python3.10/asyncio/base_events.py", line 515, in _check_closed
-			# 	raise RuntimeError('Event loop is closed')
-			# RuntimeError: Event loop is closed
-			# ↓↓↓↓
-			# async with self._session.post(url, headers=headers, data=message.to_json()) as resp:
-			# 	## Not expecting a response, so just return
-			# 	if resp.status in {200, 202}:
-			# 		return logging.info(f'Successfully sent "{message.type}" to {url}')
+			try:
+				logging.verbose(f'Sending "{message.type}" to {url}')
+				logging.verbose(
+					f'url: {url}\nheaders: {headers}\ndata: {message.to_json()}')
 
-			# 	logging.info(f'Received error when pushing to {url}: {resp.status}')
-			# 	return logging.info(await resp.read()) # change this to debug
-
-			# Creating a session here works for some reason and does not throw an error
-			async with ClientSession(
-					connector=TCPConnector(
-						limit=self.limit, ttl_dns_cache=300),
-					headers=HEADERS,
-					connector_owner=True,
-					timeout=ClientTimeout(total=self.timeout)) as session:
 				async with session.post(url, headers=headers, data=message.to_json()) as resp:
 					# Not expecting a response, so just return
 					if resp.status in {200, 202}:
@@ -191,12 +172,12 @@ class HttpClient:
 					# change this to debug
 					return logging.info(await resp.read())
 
-		except (ClientConnectorError, ServerTimeoutError):
-			logging.verbose(f'Failed to connect to {url}')
+			except (ClientConnectorError, ServerTimeoutError):
+				logging.verbose(f'Failed to connect to {url}')
 
-		# prevent workers from being brought down
-		except Exception as e:
-			traceback.print_exc()
+			# prevent workers from being brought down
+			except Exception as e:
+				traceback.print_exc()
 
 	## Additional methods ##
 
diff --git a/relay/manage.py b/relay/manage.py
index 0d7decc..5eb0a77 100644
--- a/relay/manage.py
+++ b/relay/manage.py
@@ -160,7 +160,11 @@ def cli_inbox_follow(actor):
 		actor = actor
 	)
 
-	asyncio.run(app.client.post(inbox, message))
+	# Fetch software to decide on algorithm
+	nodeinfo = asyncio.run(app.client.fetch_nodeinfo(domain))
+	software = nodeinfo.sw_name if nodeinfo else None
+
+	asyncio.run(app.client.post(inbox, message, software))
 	click.echo(f'Sent follow message to actor: {actor}')
 
 
@@ -198,7 +202,11 @@ def cli_inbox_unfollow(actor):
 			}
 		)
 
-	asyncio.run(app.client.post(inbox, message))
+	# Fetch software to decide on algorithm
+	nodeinfo = asyncio.run(app.client.fetch_nodeinfo(domain))
+	software = nodeinfo.sw_name if nodeinfo else None
+
+	asyncio.run(app.client.post(inbox, message, software))
 	click.echo(f'Sent unfollow message to: {actor}')