Yep, you are right free support is the keyword this autumn.

As you probably know we provide support if using Spamdrain+ subscription type:
https://spamdrain.com/en/index.html#/pricing

This autumn we decided to provide support for basic subscription types as well. This means you can email us at our support email address even if using basic subscription type. Our service is quite simple in use, however we are ready and glad to help you if any questions arise. If you are new customer at Spamdrain, if you are using it for two, three or five year – you are still receive a reply with the solution that will improve your experience with the service.

Well, enough talking here:

https://spamdrain.com

you can subscribe or log in. Once logged in, check the question mark in the right bottom corner for helpdesk and support.

Cheers!