application.properties with user and password, this email must have enabled the smtp server, we will use gmail in this example
git clone https://github.com/newUserRepo/PoCEmailSender.git
Open the browser
Dependency on quartz, spring-boot-starter-quartz
Added dependencies on Springboot 2.0.5.RELEASE and Vaadin 8.5.2
Uploader of multiple files, with drag and drop
next upgrade to Vaadin flow 14 Lts version.