# Postmark Environment Variables ### BOX\_PROVIDER\_POSTMARK\_\_PROVIDER\_FROM ``` BOX_PROVIDER_POSTMARK__PROVIDER_FROM= ``` `` would go into _from_ field. Usually looks like in these: `example@example.com`, `John Doe `. ### BOX\_PROVIDER\_POSTMARK\_\_PROVIDER\_API\_\_KEY ``` BOX_PROVIDER_POSTMARK__PROVIDER_PASSWORD= ``` `` is your Postmark API key.