Try this - it won't automatically send email it will open the email client, with the correct address and a suject heading.
The user will still be required complete and send.
For more automation, you may need to consider submitting to a web site - I've never done this, but there are lots of threads about this on the Forum.
<IR_ACTIONS_LIST>
<Action name="Open">
<Type>7</Type>
<Function>0</Function>
<DTIndentLevel>0</DTIndentLevel>
<Enabled>1</Enabled>
<ErrorHandling>
<UserNotificationMode>2</UserNotificationMode>
<CustomErrorMessage/>
<OnErrorAction>0</OnErrorAction>
<JumpToLabel/>
</ErrorHandling>
<FileName>mailto:Sid@aemailaddres.co.uk?Subject=EMail Subject</FileName>
<Verb>open</Verb>
<WorkingDir/>
<RunMode>0</RunMode>
</Action>
</IR_ACTIONS_LIST>