Hi,
Did you launch your container as :
docker run
-d
-p 3000:3000
–name grafana
-e “GF_SMTP_ENABLED=true”
-e “GF_SMTP_HOST=smtp.example.com”
-e “GF_SMTP_USER=myuser”
-e “GF_SMTP_PASSWORD=mysecret”
grafana/grafana:5.1.0
Check this thread :
Good Luck