There are a few types of emails that CV3 sends to customers. The first group is triggered to be sent by customer actions.
Approve Affiliate Email (affiliate_email.tpl)
Approve Wholesaler Email (wholesale_approve_email.tpl)
Cart Abandonment Email (cart_abandonment.tpl)
Customer Group Send Email (cgroup_email.tpl)
Email Confirmation (email_confirmation.tpl)
Gift Certificate Send Code Email (gc_code_email.tpl)
Member Registration Email (member_register_email.tpl)
New Product Notify Email (new_product_notify_email.tpl)
Q&A E-mail (qanda_email.tpl)
Review Email Confirmation (review_email.tpl)
Tracking Update Notification E-mail (tracking_notification_email.tpl)
Wholesale Email Confirmation (wholesale_confirmation_email.tpl)
The next group are ones that are typically initiated by the site administrator or customer service staff.
Affiliate Forgot Password Email (affiliate_forgot.tpl)
Default Auto Reminder E-mail (auto_reminder_email.tpl)
Email Subjects (email_subjects.tpl)
Member Forgot Password Email (member_forgot_email.tpl)
Product Notify Email (product_notify_email.tpl)
Reminder Service Email (reminder_service_email.tpl)
Tell a Friend Email (tellfriend_email.tpl)
Wholesale Forgot Password Email (wholesale_forgot_email.tpl)
Wishlist Email (wishlist_email.tpl)