Magnolia 6.1 reached end of life on March 31, 2021. This branch is no longer supported, see End-of-life policy.
The Mail page explains how to configure the module and how to send mail from Magnolia.
<dependency> <groupId>info.magnolia</groupId> <artifactId>magnolia-module-mail</artifactId> <version>5.6</version> </dependency>
See Mail.