diff --git a/elixir/apps/web/lib/web/mailer/noop_adapter.ex b/elixir/apps/domain/lib/domain/mailer/noop_adapter.ex
similarity index 61%
rename from elixir/apps/web/lib/web/mailer/noop_adapter.ex
rename to elixir/apps/domain/lib/domain/mailer/noop_adapter.ex
index 70c1342b2..8f592ffd3 100644
--- a/elixir/apps/web/lib/web/mailer/noop_adapter.ex
+++ b/elixir/apps/domain/lib/domain/mailer/noop_adapter.ex
@@ -1,8 +1,12 @@
-defmodule Web.Mailer.NoopAdapter do
+defmodule Domain.Mailer.NoopAdapter do
   @moduledoc """
   When mailer is not configure, use noop adapter as a drop-in replacement
   so that we don't have to add conditional logic to every single call to
   `Web.Mailer.deliver/2`.
+
+  # XXX: Having this module in the Domain app is a workaround for the following issue:
+  # https://github.com/elixir-lang/elixir/issues/12777
+  # Move this module back to the Web app once this is fixed.
   """
   use Swoosh.Adapter
   require Logger
diff --git a/elixir/apps/domain/mix.exs b/elixir/apps/domain/mix.exs
index 29259544e..91245ced8 100644
--- a/elixir/apps/domain/mix.exs
+++ b/elixir/apps/domain/mix.exs
@@ -77,6 +77,12 @@ defmodule Domain.MixProject do
       {:opentelemetry_ecto, "~> 1.1"},
       {:opentelemetry_finch, "~> 0.2.0"},
 
+      # Mailer deps
+      # XXX: This is a workaround for the following issue:
+      # https://github.com/elixir-lang/elixir/issues/12777
+      # Remove Swoosh from Domain once this is fixed.
+      {:phoenix_swoosh, "~> 1.0"},
+
       # Test and dev deps
       {:bypass, "~> 2.1", only: :test},
       {:credo, "~> 1.5", only: [:dev, :test], runtime: false},
diff --git a/elixir/config/config.exs b/elixir/config/config.exs
index ec195bfc1..07b77c266 100644
--- a/elixir/config/config.exs
+++ b/elixir/config/config.exs
@@ -169,7 +169,7 @@ config :posthog,
   api_key: "phc_ubuPhiqqjMdedpmbWpG2Ak3axqv5eMVhFDNBaXl9UZK"
 
 config :web, Web.Mailer,
-  adapter: Web.Mailer.NoopAdapter,
+  adapter: Domain.Mailer.NoopAdapter,
   from_email: "test@firez.one"
 
 # TODO: actually copy fonts here, otherwise:application