The default email address which is pre-configured with EPCMS package (no-reply@server.epcms.im) has been removed and no longer is working. You should replace it with another email to be able to continue using SMTP.
The default email address which is pre-configured with EPCMS package (no-reply@server.epcms.im) has been removed and no longer is working. You should replace it with another email to be able to continue using SMTP.