diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..5519fe2
Binary files /dev/null and b/.DS_Store differ
diff --git a/.env.sample b/.env.sample
index 65f4611..6237de2 100644
--- a/.env.sample
+++ b/.env.sample
@@ -5,4 +5,12 @@ DOMAIN=ghost.example.com
 ## Domain aliases
 #EXTRA_DOMAINS=', `www.ghost.example.com`'
 LETS_ENCRYPT_ENV=production
-PT_ENV=production
+
+## Mail settings
+#MAIL_TRANSPORT=smtp
+#MAIL_FROM=admin@example.com
+#MAIL_OPTIONS_HOST=mail.example.com
+#MAIL_OPTIONS_PORT=587
+#MAIL_OPTIONS_SECURE=false
+#MAIL_OPTIONS_AUTH_USER=smtpuser@example.com
+#MAIL_OPTIONS_AUTH_PASS=XXXX
\ No newline at end of file
diff --git a/compose.yml b/compose.yml
index e35d641..c160754 100644
--- a/compose.yml
+++ b/compose.yml
@@ -11,6 +11,13 @@ services:
       database__connection__password: ghost
       database__connection__database: ghost
       url: https://$DOMAIN
+      mail__transport: ${MAIL_TRANSPORT}
+      mail__from: ${MAIL_FROM}
+      mail__options__host: ${MAIL_OPTIONS_HOST}
+      mail__options__port: ${MAIL_OPTIONS_PORT}
+      mail__options__secure: ${MAIL_OPTIONS_SECURE}
+      #mail__options__auth__user: ${MAIL_OPTIONS_AUTH_USER}
+      #mail__options__auth__pass: ${MAIL_OPTIONS_AUTH_PASS}
       # contrary to the default mentioned in the linked documentation, this image defaults to NODE_ENV=production (so development mode needs to be explicitly specified if desired)
       #NODE_ENV: development
     networks: