Make webhook the default strategy for mailroom
When both GDK and Omnibus support both webhook strategy and Sidekiq strategy, it's time to flip the switch. The K8s support should be done in the previous exit criterion. There are two main changes:
-
config/mail_room.yml
decides which delivery strategy to use. We need to update that file to use the postback delivery method and JWT authentication in #1456 (closed). - GitLab helm chart's default deliveryMethod field of incomingEmail and serviceDeskEmail
Edited by Quang-Minh Nguyen