correct .env.example

Author: chrisjsimpson

.env.example

@@ -15,7 +15,7 @@ BASE_PATH=/home/username/path/
 CONTAINER_HOSTING_SSH_SETUP_HANDLER_API_KEY=secret
 DOKKU_WRAPPER_FULL_PATH=/home/dokku/dokku-wrapper.py
 
-LOGGING_STMP_MAILHOST_HOST=email.example.com
+LOGGING_SMTP_MAILHOST_HOST=email.example.com
 LOGGING_SMTP_MAILHOST_PORT=25
 LOGGING_SMTP_FROMADDR=alerts@example.com
 LOGGING_SMTP_TOADDRS=alerts@example.com