diff --git a/lib/web/email/follow.ex b/lib/web/email/follow.ex
index 622b1ddc8..5da1c80f7 100644
--- a/lib/web/email/follow.ex
+++ b/lib/web/email/follow.ex
@@ -13,12 +13,12 @@ defmodule Mobilizon.Web.Email.Follow do
   alias Mobilizon.Web.Email
 
   @doc """
-  Send follow notification to admins if the followed actor
+  Send follow notification to admins if the followed actor is the relay and the actor follower is an instance
   """
   @spec send_notification_to_admins(Follower.t()) :: :ok
   def send_notification_to_admins(
         %Follower{
-          # approved: false,
+          approved: false,
           actor: %Actor{type: :Application} = follower,
           target_actor: %Actor{id: target_actor_id}
         } = _follow
diff --git a/priv/gettext/en/LC_MESSAGES/default.po b/priv/gettext/en/LC_MESSAGES/default.po
index 441e5e809..f4ac09e64 100644
--- a/priv/gettext/en/LC_MESSAGES/default.po
+++ b/priv/gettext/en/LC_MESSAGES/default.po
@@ -1243,7 +1243,7 @@ msgstr "Your participation to event %{title} has been approved"
 #, elixir-autogen, elixir-format
 #: lib/web/templates/email/report.html.heex:41
 msgid "<b>%{reporter}</b> reported the following content."
-msgstr "%{reporter_name} (%{reporter_username}) reported the following content."
+msgstr "<b>%{reporter}</b> reported the following content."
 
 #, elixir-autogen, elixir-format
 #: lib/web/templates/email/report.text.eex:5
diff --git a/test/federation/activity_pub/transmogrifier/follow_test.exs b/test/federation/activity_pub/transmogrifier/follow_test.exs
index 925bdd82c..ed464820d 100644
--- a/test/federation/activity_pub/transmogrifier/follow_test.exs
+++ b/test/federation/activity_pub/transmogrifier/follow_test.exs
@@ -5,8 +5,11 @@ defmodule Mobilizon.Federation.ActivityPub.Transmogrifier.FollowTest do
   import Mobilizon.Factory
   alias Mobilizon.Actors
   alias Mobilizon.Actors.Follower
-  alias Mobilizon.Federation.ActivityPub.{Actions, Activity, Transmogrifier}
+  alias Mobilizon.Federation.ActivityPub.{Actions, Activity, Relay, Transmogrifier}
   alias Mobilizon.Service.HTTP.ActivityPub.Mock
+  alias Mobilizon.Users.User
+
+  import Swoosh.TestAssertions
 
   describe "handle incoming follow requests" do
     test "it works only for groups" do
@@ -99,6 +102,83 @@ defmodule Mobilizon.Federation.ActivityPub.Transmogrifier.FollowTest do
     #       assert data["id"] == "https://hubzilla.example.org/channel/kaniini#follows/2"
     #       assert User.check_follow(User.get_by_ap_id(data["actor"]), user)
     #     end
+
+    test "it works for accepting instance follow from user" do
+      %User{} = insert(:user, email: "loulou@example.com", role: :administrator)
+      relay = Relay.get_actor()
+
+      actor_data =
+        File.read!("test/fixtures/mastodon-actor.json")
+        |> Jason.decode!()
+
+      Mock
+      |> expect(:call, fn
+        %{method: :get, url: "https://social.tcit.fr/users/tcit"}, _opts ->
+          {:ok,
+           %Tesla.Env{
+             status: 200,
+             body: Map.put(actor_data, "id", "https://social.tcit.fr/users/tcit")
+           }}
+      end)
+
+      data =
+        File.read!("test/fixtures/mastodon-follow-activity.json")
+        |> Jason.decode!()
+        |> Map.put("object", relay.url)
+
+      {:ok, %Activity{data: data, local: false}, _} = Transmogrifier.handle_incoming(data)
+
+      assert data["actor"] == "https://social.tcit.fr/users/tcit"
+      assert data["type"] == "Follow"
+      assert data["id"] == "https://social.tcit.fr/users/tcit#follows/2"
+
+      follow = Actors.check_follow(Actors.get_actor_by_url!(data["actor"], true), relay)
+      assert follow
+      refute follow.approved
+
+      refute_email_sent()
+    end
+
+    test "it works for accepting instance follow from other instance" do
+      %User{email: admin_email} = insert(:user, email: "loulou@example.com", role: :administrator)
+      relay = Relay.get_actor()
+
+      actor_data =
+        File.read!("test/fixtures/mastodon-actor.json")
+        |> Jason.decode!()
+
+      Mock
+      |> expect(:call, fn
+        %{method: :get, url: "https://mobilizon.fr/relay"}, _opts ->
+          {:ok,
+           %Tesla.Env{
+             status: 200,
+             body:
+               actor_data
+               |> Map.put("id", "https://mobilizon.fr/relay")
+               |> Map.put("type", "Application")
+           }}
+      end)
+
+      data =
+        File.read!("test/fixtures/mastodon-follow-activity.json")
+        |> Jason.decode!()
+        |> Map.put("actor", "https://mobilizon.fr/relay")
+        |> Map.put("id", "https://mobilizon.fr/relay#follows/2")
+        |> Map.put("object", relay.url)
+
+      {:ok, %Activity{data: data, local: false}, _} = Transmogrifier.handle_incoming(data)
+
+      assert data["actor"] == "https://mobilizon.fr/relay"
+      assert data["type"] == "Follow"
+      assert data["id"] == "https://mobilizon.fr/relay#follows/2"
+
+      follow = Actors.check_follow(Actors.get_actor_by_url!(data["actor"], true), relay)
+      assert follow
+      refute follow.approved
+
+      assert_email_sent(to: admin_email)
+    end
   end
 
   describe "handle incoming follow accept activities" do
diff --git a/test/graphql/resolvers/report_test.exs b/test/graphql/resolvers/report_test.exs
index 370cb4770..62e17b94d 100644
--- a/test/graphql/resolvers/report_test.exs
+++ b/test/graphql/resolvers/report_test.exs
@@ -7,10 +7,11 @@ defmodule Mobilizon.GraphQL.Resolvers.ReportTest do
   alias Mobilizon.Actors.Actor
   alias Mobilizon.Config
   alias Mobilizon.Events.Event
+  alias Mobilizon.GraphQL.AbsintheHelpers
   alias Mobilizon.Reports.{Note, Report}
   alias Mobilizon.Users.User
 
-  alias Mobilizon.GraphQL.AbsintheHelpers
+  import Swoosh.TestAssertions
 
   describe "Resolver: Report a content" do
     @create_report_mutation """
@@ -41,6 +42,7 @@ defmodule Mobilizon.GraphQL.Resolvers.ReportTest do
     end
 
     test "create_report/3 creates a report", %{conn: conn} do
+      %User{email: admin_email} = insert(:user, email: "loulou@example.com", role: :administrator)
       %User{} = user_reporter = insert(:user)
       %Actor{} = reporter = insert(:actor, user: user_reporter)
       %Actor{} = reported = insert(:actor)
@@ -65,6 +67,8 @@ defmodule Mobilizon.GraphQL.Resolvers.ReportTest do
 
       assert res["data"]["createReport"]["reporter"]["id"] ==
                to_string(reporter.id)
+
+      assert_email_sent(to: admin_email)
     end
 
     test "create_report/3 without being connected doesn't create any report", %{conn: conn} do