Email notification will be add automatically from reading pom (you can add as many notifier as you need) :
<ciManagement>
<system>continuum</system>
<notifiers>
<notifier>
<configuration>
<address>email adress</address>
</configuration>
</notifier>
</notifiers>
</ciManagement>
Or can you can add manually mail notifier to you project group and/or project
