diff --git a/config/env/production.js b/config/env/production.js
index 41320707..ae9848d6 100755
--- a/config/env/production.js
+++ b/config/env/production.js
@@ -51,7 +51,7 @@ module.exports = {
 		callbackURL: '/auth/github/callback'
 	},
 	mailer: {
-		from: process.env.MAILER_FROM || 'no-reply@tellform.com',
+		from: process.env.MAILER_FROM || 'testing@' + process.env.SPARKPOST_SANDBOX_DOMAIN || 'no-reply@tellform.com',
 		options: {
 			service: process.env.MAILER_SERVICE_PROVIDER || '',
 			/*ssl: false,