CRM Emails Sent

Sending emails from lead and contacts in ZohoCRM....

Is there a method to see ALL sent emails across CRM? i.e. by date sent? We are using ZohoBusiness and we have incoming emails showing up in the mail inbox...but upon checking the sent box i notice nothing shows even though I am daily sending emails to Leads through CRM.

I have not been able to determine how to accomplish this searching through forums.

THanks for your help.