DSL:Add SMTP Mail Server Polishing - PR Comments DSL: Mail: add `PropertiesConfigurer` lambda * Move `IntegrationFlowTests` to the `flows` package to avoid cross scanning for components * Make `MailTests` as integration test and move `Mail.outboundAdapter` to the `IntegrationFlow` `@Bean` definition
Spring Integration Java DSL
See the Spring Integration Java DSL Reference for more info.