diff --git a/app/events/event_dispatcher.py b/app/events/event_dispatcher.py
index ec2f0a47..7c281cc3 100644
--- a/app/events/event_dispatcher.py
+++ b/app/events/event_dispatcher.py
@@ -30,14 +30,30 @@ class PostgresDispatcher(Dispatcher):
         return PostgresDispatcher()
 
 
+class GlobalDispatcher:
+    __dispatcher: Optional[Dispatcher] = None
+
+    @staticmethod
+    def get_dispatcher() -> Dispatcher:
+        if not GlobalDispatcher.__dispatcher:
+            GlobalDispatcher.__dispatcher = PostgresDispatcher.get()
+        return GlobalDispatcher.__dispatcher
+
+    @staticmethod
+    def set_dispatcher(dispatcher: Optional[Dispatcher]):
+        GlobalDispatcher.__dispatcher = dispatcher
+
+
 class EventDispatcher:
     @staticmethod
     def send_event(
         user: User,
         content: event_pb2.EventContent,
-        dispatcher: Dispatcher = PostgresDispatcher.get(),
+        dispatcher: Optional[Dispatcher] = None,
         skip_if_webhook_missing: bool = True,
     ):
+        if dispatcher is None:
+            dispatcher = GlobalDispatcher.get_dispatcher()
         if config.EVENT_WEBHOOK_DISABLE:
             LOG.i("Not sending events because webhook is disabled")
             return
diff --git a/tests/events/event_test_utils.py b/tests/events/event_test_utils.py
new file mode 100644
index 00000000..3a5342c0
--- /dev/null
+++ b/tests/events/event_test_utils.py
@@ -0,0 +1,32 @@
+from app.events.event_dispatcher import Dispatcher
+from app.models import PartnerUser, User
+from app.proton.utils import get_proton_partner
+from tests.utils import create_new_user, random_token
+from typing import Tuple
+
+
+class OnMemoryDispatcher(Dispatcher):
+    def __init__(self):
+        self.memory = []
+
+    def send(self, event: bytes):
+        self.memory.append(event)
+
+    def clear(self):
+        self.memory = []
+
+
+def _create_unlinked_user() -> User:
+    return create_new_user()
+
+
+def _create_linked_user() -> Tuple[User, PartnerUser]:
+    user = _create_unlinked_user()
+    partner_user = PartnerUser.create(
+        partner_id=get_proton_partner().id,
+        user_id=user.id,
+        external_user_id=random_token(10),
+        flush=True,
+    )
+
+    return user, partner_user
diff --git a/tests/events/test_event_dispatcher.py b/tests/events/test_event_dispatcher.py
index 810e147e..c142970b 100644
--- a/tests/events/test_event_dispatcher.py
+++ b/tests/events/test_event_dispatcher.py
@@ -1,33 +1,10 @@
-from app.events.event_dispatcher import EventDispatcher, Dispatcher
+from app.events.event_dispatcher import EventDispatcher
 from app.events.generated.event_pb2 import EventContent, UserDeleted
-from app.models import PartnerUser, User
-from app.proton.utils import get_proton_partner
-from tests.utils import create_new_user, random_token
-from typing import Tuple
-
-
-class OnMemoryDispatcher(Dispatcher):
-    def __init__(self):
-        self.memory = []
-
-    def send(self, event: bytes):
-        self.memory.append(event)
-
-
-def _create_unlinked_user() -> User:
-    return create_new_user()
-
-
-def _create_linked_user() -> Tuple[User, PartnerUser]:
-    user = _create_unlinked_user()
-    partner_user = PartnerUser.create(
-        partner_id=get_proton_partner().id,
-        user_id=user.id,
-        external_user_id=random_token(10),
-        flush=True,
-    )
-
-    return user, partner_user
+from .event_test_utils import (
+    _create_unlinked_user,
+    OnMemoryDispatcher,
+    _create_linked_user,
+)
 
 
 def test_event_dispatcher_stores_events():
diff --git a/tests/events/test_sent_events.py b/tests/events/test_sent_events.py
new file mode 100644
index 00000000..ab946dda
--- /dev/null
+++ b/tests/events/test_sent_events.py
@@ -0,0 +1,100 @@
+from app import config, alias_utils
+from app.db import Session
+from app.events.event_dispatcher import GlobalDispatcher
+from app.events.generated import event_pb2
+from app.models import Alias, User, PartnerUser
+from tests.utils import random_token
+from .event_test_utils import (
+    OnMemoryDispatcher,
+    _create_linked_user,
+)
+
+on_memory_dispatcher = OnMemoryDispatcher()
+
+
+def setup_module():
+    GlobalDispatcher.set_dispatcher(on_memory_dispatcher)
+    config.EVENT_WEBHOOK = "http://test"
+
+
+def teardown_module():
+    GlobalDispatcher.set_dispatcher(None)
+    config.EVENT_WEBHOOK = None
+
+
+def setup_function(func):
+    on_memory_dispatcher.clear()
+
+
+def _get_event_from_string(
+    data: str, user: User, pu: PartnerUser
+) -> event_pb2.EventContent:
+    event = event_pb2.Event()
+    event.ParseFromString(data)
+    assert user.id == event.user_id
+    assert pu.external_user_id == event.external_user_id
+    assert pu.partner_id == event.partner_id
+    return event.content
+
+
+def test_fire_event_on_alias_creation():
+    (user, pu) = _create_linked_user()
+    alias = Alias.create_new_random(user)
+    Session.flush()
+    assert len(on_memory_dispatcher.memory) == 1
+    event_data = on_memory_dispatcher.memory[0]
+    event_content = _get_event_from_string(event_data, user, pu)
+    assert event_content.alias_created is not None
+    alias_created = event_content.alias_created
+    assert alias.id == alias_created.alias_id
+    assert alias.email == alias_created.alias_email
+    assert "" == alias_created.alias_note
+    assert alias.enabled == alias_created.enabled
+
+
+def test_fire_event_on_alias_creation_with_note():
+    (user, pu) = _create_linked_user()
+    note = random_token(10)
+    alias = Alias.create_new_random(user, note=note)
+    Session.flush()
+    assert len(on_memory_dispatcher.memory) == 1
+    event_data = on_memory_dispatcher.memory[0]
+    event_content = _get_event_from_string(event_data, user, pu)
+    assert event_content.alias_created is not None
+    alias_created = event_content.alias_created
+    assert alias.id == alias_created.alias_id
+    assert alias.email == alias_created.alias_email
+    assert note == alias_created.alias_note
+    assert alias.enabled == alias_created.enabled
+
+
+def test_fire_event_on_alias_deletion():
+    (user, pu) = _create_linked_user()
+    alias = Alias.create_new_random(user)
+    alias_id = alias.id
+    Session.flush()
+    on_memory_dispatcher.clear()
+    alias_utils.delete_alias(alias, user)
+    assert len(on_memory_dispatcher.memory) == 1
+    event_data = on_memory_dispatcher.memory[0]
+    event_content = _get_event_from_string(event_data, user, pu)
+    assert event_content.alias_deleted is not None
+    alias_deleted = event_content.alias_deleted
+    assert alias_id == alias_deleted.alias_id
+    assert alias.email == alias_deleted.alias_email
+
+
+def test_fire_event_on_alias_status_change():
+    (user, pu) = _create_linked_user()
+    alias = Alias.create_new_random(user)
+    Session.flush()
+    on_memory_dispatcher.clear()
+    alias_utils.change_alias_status(alias, True)
+    assert len(on_memory_dispatcher.memory) == 1
+    event_data = on_memory_dispatcher.memory[0]
+    event_content = _get_event_from_string(event_data, user, pu)
+    assert event_content.alias_status_change is not None
+    event = event_content.alias_status_change
+    assert alias.id == event.alias_id
+    assert alias.email == event.alias_email
+    assert event.enabled