noreply@smartusa.com subject: Your smart USA Reservation
noreply@fromsmartusa.com subject: configure your smart fortwo now
support@mysmartfortwo.com subject: Your smart fortwo Configuration Details
customer-service@ib-smart.net subject: smart USA Customer Satisfaction Survey
Those are the senders of:
- reservation (number and $99 receipt),
- (invitation to) configuration or
- (configuration's) confirmation, and
- survey that you may not want to miss!
Don't use those for sending: they are going to trash...