Mailglass-backed email adapter for Chimeway outbound delivery.
Configure the email channel to use the Chimeway.Adapters.Mailglass
implementation module.
Mailglass requires Elixir ~> 1.18 when enabled. Chimeway core compiles on 1.17+;
run Mailglass adapter tests on Elixir 1.18+. The adapter implements the optional
webhook callbacks used by Chimeway.Webhooks.process/4.