diff --git a/.env b/.env
index 7ef80b0..96449f3 100644
--- a/.env
+++ b/.env
@@ -44,7 +44,11 @@ MESSENGER_TRANSPORT_DSN=doctrine://default?auto_setup=0
 ###< symfony/messenger ###
 
 ###> symfony/mailer ###
-MAILER_DSN=smtp://o.schwarten@osdata.org:pOlygon089@linus.osdata.org:587
+# Examples:
+# MAILER_DSN=smtp://user:pass@smtp.example.com:587
+# MAILER_DSN=gmail://username:password@default
+# MAILER_DSN=null://null (for testing without sending)
+MAILER_DSN=null://null
 ###< symfony/mailer ###
 
 ###> nelmio/cors-bundle ###
@@ -53,8 +57,9 @@ CORS_ALLOW_ORIGIN='^https?://(localhost|127\.0\.0\.1)(:[0-9]+)?$'
 
 ###> knpuniversity/oauth2-client-bundle ###
 # Pocket-ID OIDC Configuration
-OAUTH_POCKET_ID_URL=https://id.osdata-home.de
-OAUTH_POCKET_ID_CLIENT_ID=2e698201-8a79-4598-9b7d-81b57289c340
-OAUTH_POCKET_ID_CLIENT_SECRET=K5N5qErjqMCM9zG7y0xPETt8FgidUN93
+# Get your credentials from your Pocket-ID instance
+OAUTH_POCKET_ID_URL=https://your-pocket-id-instance.com
+OAUTH_POCKET_ID_CLIENT_ID=your-client-id
+OAUTH_POCKET_ID_CLIENT_SECRET=your-client-secret
 OAUTH_POCKET_ID_REDIRECT_URI=http://localhost:8000/connect/pocketid/check
 ###< knpuniversity/oauth2-client-bundle ###