diff --git a/packages/overlays/matrix-synapse/patches/0024-Policy-server-part-1-Actually-call-the-policy-server.patch b/packages/overlays/matrix-synapse/patches/0024-Policy-server-part-1-Actually-call-the-policy-server.patch
new file mode 100644
index 0000000..528c970
--- /dev/null
+++ b/packages/overlays/matrix-synapse/patches/0024-Policy-server-part-1-Actually-call-the-policy-server.patch
@@ -0,0 +1,666 @@
+From b7d48419476f70e54dc24ecd986562ba22be52ec Mon Sep 17 00:00:00 2001
+From: Travis Ralston <travisr@element.io>
+Date: Wed, 21 May 2025 16:09:09 -0600
+Subject: [PATCH 24/34] Policy server part 1: Actually call the policy server
+ (#18387)
+
+Roughly reviewable commit-by-commit.
+
+This is the first part of adding policy server support to Synapse. Other
+parts (unordered), which may or may not be bundled into fewer PRs,
+include:
+
+* Implementation of a bulk API
+* Supporting a moderation server config (the `fallback_*` options of
+https://github.com/element-hq/policyserv_spam_checker )
+* Adding an "early event hook" for appservices to receive federation
+transactions *before* events are processed formally
+* Performance and stability improvements
+
+### Pull Request Checklist
+
+<!-- Please read
+https://element-hq.github.io/synapse/latest/development/contributing_guide.html
+before submitting your pull request -->
+
+* [x] Pull request is based on the develop branch
+* [x] Pull request includes a [changelog
+file](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#changelog).
+The entry should:
+- Be a short description of your change which makes sense to users.
+"Fixed a bug that prevented receiving messages from other servers."
+instead of "Moved X method from `EventStore` to `EventWorkerStore`.".
+ - Use markdown where necessary, mostly for `code blocks`.
+ - End with either a period (.) or an exclamation mark (!).
+ - Start with a capital letter.
+- Feel free to credit yourself, by adding a sentence "Contributed by
+@github_username." or "Contributed by [Your Name]." to the end of the
+entry.
+* [x] [Code
+style](https://element-hq.github.io/synapse/latest/code_style.html) is
+correct
+(run the
+[linters](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#run-the-linters))
+
+---------
+
+Co-authored-by: turt2live <1190097+turt2live@users.noreply.github.com>
+Co-authored-by: Devon Hudson <devon.dmytro@gmail.com>
+---
+ changelog.d/18387.feature | 1 +
+ synapse/federation/federation_base.py | 34 ++++
+ synapse/federation/federation_client.py | 57 ++++++
+ synapse/federation/transport/client.py | 27 +++
+ synapse/handlers/message.py | 15 +-
+ synapse/handlers/room_policy.py | 89 ++++++++++
+ synapse/server.py | 5 +
+ synapse/types/handlers/policy_server.py | 16 ++
+ tests/handlers/test_room_policy.py | 226 ++++++++++++++++++++++++
+ 9 files changed, 469 insertions(+), 1 deletion(-)
+ create mode 100644 changelog.d/18387.feature
+ create mode 100644 synapse/handlers/room_policy.py
+ create mode 100644 synapse/types/handlers/policy_server.py
+ create mode 100644 tests/handlers/test_room_policy.py
+
+diff --git a/changelog.d/18387.feature b/changelog.d/18387.feature
+new file mode 100644
+index 0000000000..2d9ff2cea2
+--- /dev/null
++++ b/changelog.d/18387.feature
+@@ -0,0 +1 @@
++Add support for calling Policy Servers ([MSC4284](https://github.com/matrix-org/matrix-spec-proposals/pull/4284)) to mark events as spam.
+\ No newline at end of file
+diff --git a/synapse/federation/federation_base.py b/synapse/federation/federation_base.py
+index 3796bff5e7..45593430e8 100644
+--- a/synapse/federation/federation_base.py
++++ b/synapse/federation/federation_base.py
+@@ -30,6 +30,7 @@ from synapse.crypto.keyring import Keyring
+ from synapse.events import EventBase, make_event_from_dict
+ from synapse.events.utils import prune_event, validate_canonicaljson
+ from synapse.federation.units import filter_pdus_for_valid_depth
++from synapse.handlers.room_policy import RoomPolicyHandler
+ from synapse.http.servlet import assert_params_in_dict
+ from synapse.logging.opentracing import log_kv, trace
+ from synapse.types import JsonDict, get_domain_from_id
+@@ -64,6 +65,24 @@ class FederationBase:
+ self._clock = hs.get_clock()
+ self._storage_controllers = hs.get_storage_controllers()
+
++ # We need to define this lazily otherwise we get a cyclic dependency.
++ # self._policy_handler = hs.get_room_policy_handler()
++ self._policy_handler: Optional[RoomPolicyHandler] = None
++
++ def _lazily_get_policy_handler(self) -> RoomPolicyHandler:
++ """Lazily get the room policy handler.
++
++ This is required to avoid an import cycle: RoomPolicyHandler requires a
++ FederationClient, which requires a FederationBase, which requires a
++ RoomPolicyHandler.
++
++ Returns:
++ RoomPolicyHandler: The room policy handler.
++ """
++ if self._policy_handler is None:
++ self._policy_handler = self.hs.get_room_policy_handler()
++ return self._policy_handler
++
+ @trace
+ async def _check_sigs_and_hash(
+ self,
+@@ -80,6 +99,10 @@ class FederationBase:
+ Also runs the event through the spam checker; if it fails, redacts the event
+ and flags it as soft-failed.
+
++ Also checks that the event is allowed by the policy server, if the room uses
++ a policy server. If the event is not allowed, the event is flagged as
++ soft-failed but not redacted.
++
+ Args:
+ room_version: The room version of the PDU
+ pdu: the event to be checked
+@@ -145,6 +168,17 @@ class FederationBase:
+ )
+ return redacted_event
+
++ policy_allowed = await self._lazily_get_policy_handler().is_event_allowed(pdu)
++ if not policy_allowed:
++ logger.warning(
++ "Event not allowed by policy server, soft-failing %s", pdu.event_id
++ )
++ pdu.internal_metadata.soft_failed = True
++ # Note: we don't redact the event so admins can inspect the event after the
++ # fact. Other processes may redact the event, but that won't be applied to
++ # the database copy of the event until the server's config requires it.
++ return pdu
++
+ spam_check = await self._spam_checker_module_callbacks.check_event_for_spam(pdu)
+
+ if spam_check != self._spam_checker_module_callbacks.NOT_SPAM:
+diff --git a/synapse/federation/federation_client.py b/synapse/federation/federation_client.py
+index 9fc5b70e9a..7c485aa7e0 100644
+--- a/synapse/federation/federation_client.py
++++ b/synapse/federation/federation_client.py
+@@ -75,6 +75,7 @@ from synapse.http.client import is_unknown_endpoint
+ from synapse.http.types import QueryParams
+ from synapse.logging.opentracing import SynapseTags, log_kv, set_tag, tag_args, trace
+ from synapse.types import JsonDict, StrCollection, UserID, get_domain_from_id
++from synapse.types.handlers.policy_server import RECOMMENDATION_OK, RECOMMENDATION_SPAM
+ from synapse.util.async_helpers import concurrently_execute
+ from synapse.util.caches.expiringcache import ExpiringCache
+ from synapse.util.retryutils import NotRetryingDestination
+@@ -421,6 +422,62 @@ class FederationClient(FederationBase):
+
+ return None
+
++ @trace
++ @tag_args
++ async def get_pdu_policy_recommendation(
++ self, destination: str, pdu: EventBase, timeout: Optional[int] = None
++ ) -> str:
++ """Requests that the destination server (typically a policy server)
++ check the event and return its recommendation on how to handle the
++ event.
++
++ If the policy server could not be contacted or the policy server
++ returned an unknown recommendation, this returns an OK recommendation.
++ This type fixing behaviour is done because the typical caller will be
++ in a critical call path and would generally interpret a `None` or similar
++ response as "weird value; don't care; move on without taking action". We
++ just frontload that logic here.
++
++
++ Args:
++ destination: The remote homeserver to ask (a policy server)
++ pdu: The event to check
++ timeout: How long to try (in ms) the destination for before
++ giving up. None indicates no timeout.
++
++ Returns:
++ The policy recommendation, or RECOMMENDATION_OK if the policy server was
++ uncontactable or returned an unknown recommendation.
++ """
++
++ logger.debug(
++ "get_pdu_policy_recommendation for event_id=%s from %s",
++ pdu.event_id,
++ destination,
++ )
++
++ try:
++ res = await self.transport_layer.get_policy_recommendation_for_pdu(
++ destination, pdu, timeout=timeout
++ )
++ recommendation = res.get("recommendation")
++ if not isinstance(recommendation, str):
++ raise InvalidResponseError("recommendation is not a string")
++ if recommendation not in (RECOMMENDATION_OK, RECOMMENDATION_SPAM):
++ logger.warning(
++ "get_pdu_policy_recommendation: unknown recommendation: %s",
++ recommendation,
++ )
++ return RECOMMENDATION_OK
++ return recommendation
++ except Exception as e:
++ logger.warning(
++ "get_pdu_policy_recommendation: server %s responded with error, assuming OK recommendation: %s",
++ destination,
++ e,
++ )
++ return RECOMMENDATION_OK
++
+ @trace
+ @tag_args
+ async def get_pdu(
+diff --git a/synapse/federation/transport/client.py b/synapse/federation/transport/client.py
+index 206e91ed14..62bf96ce91 100644
+--- a/synapse/federation/transport/client.py
++++ b/synapse/federation/transport/client.py
+@@ -143,6 +143,33 @@ class TransportLayerClient:
+ destination, path=path, timeout=timeout, try_trailing_slash_on_400=True
+ )
+
++ async def get_policy_recommendation_for_pdu(
++ self, destination: str, event: EventBase, timeout: Optional[int] = None
++ ) -> JsonDict:
++ """Requests the policy recommendation for the given pdu from the given policy server.
++
++ Args:
++ destination: The host name of the remote homeserver checking the event.
++ event: The event to check.
++ timeout: How long to try (in ms) the destination for before giving up.
++ None indicates no timeout.
++
++ Returns:
++ The full recommendation object from the remote server.
++ """
++ logger.debug(
++ "get_policy_recommendation_for_pdu dest=%s, event_id=%s",
++ destination,
++ event.event_id,
++ )
++ return await self.client.post_json(
++ destination=destination,
++ path=f"/_matrix/policy/unstable/org.matrix.msc4284/event/{event.event_id}/check",
++ data=event.get_pdu_json(),
++ ignore_backoff=True,
++ timeout=timeout,
++ )
++
+ async def backfill(
+ self, destination: str, room_id: str, event_tuples: Collection[str], limit: int
+ ) -> Optional[Union[JsonDict, list]]:
+diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py
+index ff6eb5a514..cb6de02309 100644
+--- a/synapse/handlers/message.py
++++ b/synapse/handlers/message.py
+@@ -495,6 +495,7 @@ class EventCreationHandler:
+ self._instance_name = hs.get_instance_name()
+ self._notifier = hs.get_notifier()
+ self._worker_lock_handler = hs.get_worker_locks_handler()
++ self._policy_handler = hs.get_room_policy_handler()
+
+ self.room_prejoin_state_types = self.hs.config.api.room_prejoin_state
+
+@@ -1108,6 +1109,18 @@ class EventCreationHandler:
+ event.sender,
+ )
+
++ policy_allowed = await self._policy_handler.is_event_allowed(event)
++ if not policy_allowed:
++ logger.warning(
++ "Event not allowed by policy server, rejecting %s",
++ event.event_id,
++ )
++ raise SynapseError(
++ 403,
++ "This message has been rejected as probable spam",
++ Codes.FORBIDDEN,
++ )
++
+ spam_check_result = (
+ await self._spam_checker_module_callbacks.check_event_for_spam(
+ event
+@@ -1119,7 +1132,7 @@ class EventCreationHandler:
+ [code, dict] = spam_check_result
+ raise SynapseError(
+ 403,
+- "This message had been rejected as probable spam",
++ "This message has been rejected as probable spam",
+ code,
+ dict,
+ )
+diff --git a/synapse/handlers/room_policy.py b/synapse/handlers/room_policy.py
+new file mode 100644
+index 0000000000..dcfebb128c
+--- /dev/null
++++ b/synapse/handlers/room_policy.py
+@@ -0,0 +1,89 @@
++#
++# This file is licensed under the Affero General Public License (AGPL) version 3.
++#
++# Copyright 2016-2021 The Matrix.org Foundation C.I.C.
++# Copyright (C) 2023 New Vector, Ltd
++#
++# This program is free software: you can redistribute it and/or modify
++# it under the terms of the GNU Affero General Public License as
++# published by the Free Software Foundation, either version 3 of the
++# License, or (at your option) any later version.
++#
++# See the GNU Affero General Public License for more details:
++# <https://www.gnu.org/licenses/agpl-3.0.html>.
++#
++#
++
++import logging
++from typing import TYPE_CHECKING
++
++from synapse.events import EventBase
++from synapse.types.handlers.policy_server import RECOMMENDATION_OK
++from synapse.util.stringutils import parse_and_validate_server_name
++
++if TYPE_CHECKING:
++ from synapse.server import HomeServer
++
++logger = logging.getLogger(__name__)
++
++
++class RoomPolicyHandler:
++ def __init__(self, hs: "HomeServer"):
++ self._hs = hs
++ self._store = hs.get_datastores().main
++ self._storage_controllers = hs.get_storage_controllers()
++ self._event_auth_handler = hs.get_event_auth_handler()
++ self._federation_client = hs.get_federation_client()
++
++ async def is_event_allowed(self, event: EventBase) -> bool:
++ """Check if the given event is allowed in the room by the policy server.
++
++ Note: This will *always* return True if the room's policy server is Synapse
++ itself. This is because Synapse can't be a policy server (currently).
++
++ If no policy server is configured in the room, this returns True. Similarly, if
++ the policy server is invalid in any way (not joined, not a server, etc), this
++ returns True.
++
++ If a valid and contactable policy server is configured in the room, this returns
++ True if that server suggests the event is not spammy, and False otherwise.
++
++ Args:
++ event: The event to check. This should be a fully-formed PDU.
++
++ Returns:
++ bool: True if the event is allowed in the room, False otherwise.
++ """
++ policy_event = await self._storage_controllers.state.get_current_state_event(
++ event.room_id, "org.matrix.msc4284.policy", ""
++ )
++ if not policy_event:
++ return True # no policy server == default allow
++
++ policy_server = policy_event.content.get("via", "")
++ if policy_server is None or not isinstance(policy_server, str):
++ return True # no policy server == default allow
++
++ if policy_server == self._hs.hostname:
++ return True # Synapse itself can't be a policy server (currently)
++
++ try:
++ parse_and_validate_server_name(policy_server)
++ except ValueError:
++ return True # invalid policy server == default allow
++
++ is_in_room = await self._event_auth_handler.is_host_in_room(
++ event.room_id, policy_server
++ )
++ if not is_in_room:
++ return True # policy server not in room == default allow
++
++ # At this point, the server appears valid and is in the room, so ask it to check
++ # the event.
++ recommendation = await self._federation_client.get_pdu_policy_recommendation(
++ policy_server, event
++ )
++ if recommendation != RECOMMENDATION_OK:
++ return False
++
++ return True # default allow
+diff --git a/synapse/server.py b/synapse/server.py
+index bd2faa61b9..2add4d4e6e 100644
+--- a/synapse/server.py
++++ b/synapse/server.py
+@@ -107,6 +107,7 @@ from synapse.handlers.room_member import (
+ RoomMemberMasterHandler,
+ )
+ from synapse.handlers.room_member_worker import RoomMemberWorkerHandler
++from synapse.handlers.room_policy import RoomPolicyHandler
+ from synapse.handlers.room_summary import RoomSummaryHandler
+ from synapse.handlers.search import SearchHandler
+ from synapse.handlers.send_email import SendEmailHandler
+@@ -807,6 +808,10 @@ class HomeServer(metaclass=abc.ABCMeta):
+
+ return OidcHandler(self)
+
++ @cache_in_self
++ def get_room_policy_handler(self) -> RoomPolicyHandler:
++ return RoomPolicyHandler(self)
++
+ @cache_in_self
+ def get_event_client_serializer(self) -> EventClientSerializer:
+ return EventClientSerializer(self)
+diff --git a/synapse/types/handlers/policy_server.py b/synapse/types/handlers/policy_server.py
+new file mode 100644
+index 0000000000..bfc09dabf4
+--- /dev/null
++++ b/synapse/types/handlers/policy_server.py
+@@ -0,0 +1,16 @@
++#
++# This file is licensed under the Affero General Public License (AGPL) version 3.
++#
++# Copyright (C) 2025 New Vector, Ltd
++#
++# This program is free software: you can redistribute it and/or modify
++# it under the terms of the GNU Affero General Public License as
++# published by the Free Software Foundation, either version 3 of the
++# License, or (at your option) any later version.
++#
++# See the GNU Affero General Public License for more details:
++# <https://www.gnu.org/licenses/agpl-3.0.html>.
++#
++
++RECOMMENDATION_OK = "ok"
++RECOMMENDATION_SPAM = "spam"
+diff --git a/tests/handlers/test_room_policy.py b/tests/handlers/test_room_policy.py
+new file mode 100644
+index 0000000000..26642c18ea
+--- /dev/null
++++ b/tests/handlers/test_room_policy.py
+@@ -0,0 +1,226 @@
++#
++# This file is licensed under the Affero General Public License (AGPL) version 3.
++#
++# Copyright (C) 2025 New Vector, Ltd
++#
++# This program is free software: you can redistribute it and/or modify
++# it under the terms of the GNU Affero General Public License as
++# published by the Free Software Foundation, either version 3 of the
++# License, or (at your option) any later version.
++#
++# See the GNU Affero General Public License for more details:
++# <https://www.gnu.org/licenses/agpl-3.0.html>.
++#
++#
++from typing import Optional
++from unittest import mock
++
++from twisted.test.proto_helpers import MemoryReactor
++
++from synapse.events import EventBase, make_event_from_dict
++from synapse.rest import admin
++from synapse.rest.client import login, room
++from synapse.server import HomeServer
++from synapse.types import JsonDict, UserID
++from synapse.types.handlers.policy_server import RECOMMENDATION_OK, RECOMMENDATION_SPAM
++from synapse.util import Clock
++
++from tests import unittest
++from tests.test_utils import event_injection
++
++
++class RoomPolicyTestCase(unittest.FederatingHomeserverTestCase):
++ """Tests room policy handler."""
++
++ servlets = [
++ admin.register_servlets,
++ login.register_servlets,
++ room.register_servlets,
++ ]
++
++ def make_homeserver(self, reactor: MemoryReactor, clock: Clock) -> HomeServer:
++ # mock out the federation transport client
++ self.mock_federation_transport_client = mock.Mock(
++ spec=["get_policy_recommendation_for_pdu"]
++ )
++ self.mock_federation_transport_client.get_policy_recommendation_for_pdu = (
++ mock.AsyncMock()
++ )
++ return super().setup_test_homeserver(
++ federation_transport_client=self.mock_federation_transport_client
++ )
++
++ def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
++ self.hs = hs
++ self.handler = hs.get_room_policy_handler()
++ main_store = self.hs.get_datastores().main
++
++ # Create a room
++ self.creator = self.register_user("creator", "test1234")
++ self.creator_token = self.login("creator", "test1234")
++ self.room_id = self.helper.create_room_as(
++ room_creator=self.creator, tok=self.creator_token
++ )
++ room_version = self.get_success(main_store.get_room_version(self.room_id))
++
++ # Create some sample events
++ self.spammy_event = make_event_from_dict(
++ room_version=room_version,
++ internal_metadata_dict={},
++ event_dict={
++ "room_id": self.room_id,
++ "type": "m.room.message",
++ "sender": "@spammy:example.org",
++ "content": {
++ "msgtype": "m.text",
++ "body": "This is a spammy event.",
++ },
++ },
++ )
++ self.not_spammy_event = make_event_from_dict(
++ room_version=room_version,
++ internal_metadata_dict={},
++ event_dict={
++ "room_id": self.room_id,
++ "type": "m.room.message",
++ "sender": "@not_spammy:example.org",
++ "content": {
++ "msgtype": "m.text",
++ "body": "This is a NOT spammy event.",
++ },
++ },
++ )
++
++ # Prepare the policy server mock to decide spam vs not spam on those events
++ self.call_count = 0
++
++ async def get_policy_recommendation_for_pdu(
++ destination: str,
++ pdu: EventBase,
++ timeout: Optional[int] = None,
++ ) -> JsonDict:
++ self.call_count += 1
++ self.assertEqual(destination, self.OTHER_SERVER_NAME)
++ if pdu.event_id == self.spammy_event.event_id:
++ return {"recommendation": RECOMMENDATION_SPAM}
++ elif pdu.event_id == self.not_spammy_event.event_id:
++ return {"recommendation": RECOMMENDATION_OK}
++ else:
++ self.fail("Unexpected event ID")
++
++ self.mock_federation_transport_client.get_policy_recommendation_for_pdu.side_effect = get_policy_recommendation_for_pdu
++
++ def _add_policy_server_to_room(self) -> None:
++ # Inject a member event into the room
++ policy_user_id = f"@policy:{self.OTHER_SERVER_NAME}"
++ self.get_success(
++ event_injection.inject_member_event(
++ self.hs, self.room_id, policy_user_id, "join"
++ )
++ )
++ self.helper.send_state(
++ self.room_id,
++ "org.matrix.msc4284.policy",
++ {
++ "via": self.OTHER_SERVER_NAME,
++ },
++ tok=self.creator_token,
++ state_key="",
++ )
++
++ def test_no_policy_event_set(self) -> None:
++ # We don't need to modify the room state at all - we're testing the default
++ # case where a room doesn't use a policy server.
++ ok = self.get_success(self.handler.is_event_allowed(self.spammy_event))
++ self.assertEqual(ok, True)
++ self.assertEqual(self.call_count, 0)
++
++ def test_empty_policy_event_set(self) -> None:
++ self.helper.send_state(
++ self.room_id,
++ "org.matrix.msc4284.policy",
++ {
++ # empty content (no `via`)
++ },
++ tok=self.creator_token,
++ state_key="",
++ )
++
++ ok = self.get_success(self.handler.is_event_allowed(self.spammy_event))
++ self.assertEqual(ok, True)
++ self.assertEqual(self.call_count, 0)
++
++ def test_nonstring_policy_event_set(self) -> None:
++ self.helper.send_state(
++ self.room_id,
++ "org.matrix.msc4284.policy",
++ {
++ "via": 42, # should be a server name
++ },
++ tok=self.creator_token,
++ state_key="",
++ )
++
++ ok = self.get_success(self.handler.is_event_allowed(self.spammy_event))
++ self.assertEqual(ok, True)
++ self.assertEqual(self.call_count, 0)
++
++ def test_self_policy_event_set(self) -> None:
++ self.helper.send_state(
++ self.room_id,
++ "org.matrix.msc4284.policy",
++ {
++ # We ignore events when the policy server is ourselves (for now?)
++ "via": (UserID.from_string(self.creator)).domain,
++ },
++ tok=self.creator_token,
++ state_key="",
++ )
++
++ ok = self.get_success(self.handler.is_event_allowed(self.spammy_event))
++ self.assertEqual(ok, True)
++ self.assertEqual(self.call_count, 0)
++
++ def test_invalid_server_policy_event_set(self) -> None:
++ self.helper.send_state(
++ self.room_id,
++ "org.matrix.msc4284.policy",
++ {
++ "via": "|this| is *not* a (valid) server name.com",
++ },
++ tok=self.creator_token,
++ state_key="",
++ )
++
++ ok = self.get_success(self.handler.is_event_allowed(self.spammy_event))
++ self.assertEqual(ok, True)
++ self.assertEqual(self.call_count, 0)
++
++ def test_not_in_room_policy_event_set(self) -> None:
++ self.helper.send_state(
++ self.room_id,
++ "org.matrix.msc4284.policy",
++ {
++ "via": f"x.{self.OTHER_SERVER_NAME}",
++ },
++ tok=self.creator_token,
++ state_key="",
++ )
++
++ ok = self.get_success(self.handler.is_event_allowed(self.spammy_event))
++ self.assertEqual(ok, True)
++ self.assertEqual(self.call_count, 0)
++
++ def test_spammy_event_is_spam(self) -> None:
++ self._add_policy_server_to_room()
++
++ ok = self.get_success(self.handler.is_event_allowed(self.spammy_event))
++ self.assertEqual(ok, False)
++ self.assertEqual(self.call_count, 1)
++
++ def test_not_spammy_event_is_not_spam(self) -> None:
++ self._add_policy_server_to_room()
++
++ ok = self.get_success(self.handler.is_event_allowed(self.not_spammy_event))
++ self.assertEqual(ok, True)
++ self.assertEqual(self.call_count, 1)
+--
+2.49.0
+
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