Free support is provided on a best-effort basis. Commercial support (development and production) can be acquired directly from Bitronix Software.
You should send any question, remark or support request to the BTM users mailing list.
Send an email to firstname.lastname@example.org to register then send your questions to email@example.com.
Alternatively you can use Nabble as a more convenient access to the mailing list.
Discovered bugs should be registered in the BTM JIRA.