diff --git a/.env.sample b/.env.sample
index 0145ecc..9512bed 100644
--- a/.env.sample
+++ b/.env.sample
@@ -7,8 +7,11 @@ LETS_ENCRYPT_ENV=production
 
 AWS_ACCESS_KEY_ID=ADD_ME
 AWS_SECRET_ACCESS_KEY=ADD_ME
-MANDRILL_APIKEY=ADD_ME
-MANDRILL_USERNAME=email@example.com
+SMTP_PASSWORD=ADD_ME
+SMTP_USER_USERNAME=email@example.com
+SMTP_DOMAIN=ADD_ME
+SMTP_HOST=mail.example.com
+SMTP_PORT=587
 PUSHER_SOCKET_URL=ws://ws.pusherapp.com/app/APP_ID
 PUSHER_URL=https://USER:PASS@api.pusherapp.com/apps/APP
 S3_KEY=ADD_ME
diff --git a/compose.yml b/compose.yml
index aed6fae..24ee51f 100644
--- a/compose.yml
+++ b/compose.yml
@@ -15,9 +15,11 @@ x-environment:
    - LANG=en_US.UTF-8
    - LOG_LEVEL=info
    - DOMAIN
-   - MAIL_DOMAIN
-   - MANDRILL_APIKEY
-   - MANDRILL_USERNAME
+   - SMTP_HOST
+   - SMTP_PORT
+   - SMTP_USERNAME
+   - SMTP_PASSWORD
+   - SMTP_DOMAIN
    - NEW_RELIC_LOG=stdout
    - PUSHER_SOCKET_URL
    - PUSHER_URL