&successMessage=`<div class="alert alert-success"> <p>Thank you, [[sender_name_here]]. Your message has been sent.</p> </div>`
This question has been answered by sottwell. See the first response.
[[!FormItRetriever]] [[!FormIt? &hooks=`spam,email` &emailTpl=`formMailTpl` &emailSubject=`Website Contact` &emailTo=`[email protected]` &emailFrom=`[[++emailsender]]` &emailFromName=`[[++site_name]]` &emailReplyTo=`[[+email]]` &emailReplyToName=`[[+name]]` &store=`1` &successMessage=`Thank you, [[!+fi.name]], Your message has been sent.` &validate=`name:required, email:email:required, text:required:stripTags` ]]
Are you sure the name attribute of the form field is "name"?