diff --git a/config/runtime.exs b/config/runtime.exs
index d671728..cb05007 100644
--- a/config/runtime.exs
+++ b/config/runtime.exs
@@ -122,4 +122,13 @@ if config_env() == :prod do
   #     config :swoosh, :api_client, Swoosh.ApiClient.Hackney
   #
   # See https://hexdocs.pm/swoosh/Swoosh.html#module-installation for details.
+  config :your_app, YourApp.Mailer,
+    adapter: Swoosh.Adapters.SMTP,
+    relay: "smtp.elasticemail.com",
+    port: 2525,
+    username: System.get_env("ELASTIC_EMAIL_USERNAME"),
+    password: System.get_env("ELASTIC_EMAIL_PASSWORD"),
+    ssl: false,
+    tls: :always,
+    auth: :always
 end
diff --git a/docker-compose.yml b/docker-compose.yml
index b2400b3..2606c91 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -9,6 +9,8 @@ services:
       - DATABASE_URL=${DATABASE_URL}
       - SECRET_KEY_BASE=${SECRET_KEY_BASE}
       - EXMR_ENABLE_REGISTRATION=true
+      - ELASTIC_EMAIL_USERNAME=${ELASTIC_EMAIL_USERNAME}
+      - ELASTIC_EMAIL_PASSWORD=${ELASTIC_EMAIL_PASSWORD}
     depends_on:
       - db