diff --git a/stacks/mattermost/docker-compose.yaml b/stacks/mattermost/docker-compose.yaml
index 1e6cdea..322cf47 100644
--- a/stacks/mattermost/docker-compose.yaml
+++ b/stacks/mattermost/docker-compose.yaml
@@ -8,7 +8,7 @@ services:
       MM_SQLSETTINGS_DRIVERNAME: postgres
       MM_SQLSETTINGS_DATASOURCE: postgres://mattermost:${MATTERMOST_POSTGRES_PASSWORD}@postgres:5432/mattermost?sslmode=disable
       MM_BLEVESETTINGS_INDEXDIR: /mattermost/bleve-indexes
-      MM_EMAILSETTINGS_ENABLESIGNINWITHEMAIL: "false"
+      MM_EMAILSETTINGS_ENABLESIGNINWITHEMAIL: "true"
     volumes:
       - mattermost_data:/mattermost/data
       - mattermost_logs:/mattermost/logs