liveSense Email service. It's storing the mails in /var/spool and a Job sends it periodically
'com.github.livesense:org.liveSense.service.email:1.0.4'
<dependency>
<groupId>com.github.livesense</groupId>
<artifactId>org.liveSense.service.email</artifactId>
<version>1.0.4</version>
</dependency>
<dependency org="com.github.livesense" name="org.liveSense.service.email" rev="1.0.4"/>
"com.github.livesense", "org.liveSense.service.email", "1.0.4"