The JavaBeans(TM) Activation Framework is used by the JavaMail(TM) API to manage MIME data
'javax.activation:activation:1.1.1'
<dependency>
<groupId>javax.activation</groupId>
<artifactId>activation</artifactId>
<version>1.1.1</version>
</dependency>
<dependency org="javax.activation" name="activation" rev="1.1.1"/>
"javax.activation", "activation", "1.1.1"