Support
Forums
http://forums.daypilot.org/
Try the forum first because others will benefit from the answer as
well. You can also get comments from the other users who have similar
problems. But no need to use the forum if you prefer sending an e-mail.
E-mail
support@daypilot.org
E-mail is especially useful for sending sample code that reproduces a
bug, private questions, and support request escalation.
Knowledge Base
http://kb.daypilot.org/
Articles on specific topics (How to, Troubleshooting, etc.).
Customer Area
https://www.daypilot.org/customers/
In the customer area, you can download all the releases that are
included in your subscription program.