I purchased and upgraded the Event Booking component. Everything is working except for emailing. No notices are sent to the administrator or the registrants. People signing up for an event get the error on the thank you page "Could not execute: /usr/sbin/sendmail -t -i ". The registrant and the event get logged but no emails get sent out. When we try to send a reminder to test we get the following error message:
"Could not execute: /usr/sbin/sendmail -t -i "
Is there a fix for this? Much appreciate any help, thank you.