Post installation validation of SMTP from Elastifile e-Manage.
Step-by-step guide
Sign up for free email relay service
1. Create sandbox mail domain
2. Create SMTP credentials
3. Add verified recipient in sandbox domain (target email address to receive alerts)
4. In Elastifile UI add SMTP credentials
5. In Elastifile UI select "TEST MAIL" action button
6. Confirm receipt of test email