Zozi.com features daily local deals to their customers. Since their daily deals are delivered via email each day, high email deliverability rates are particularly critical to their success.
Zozi was recently used in a case study by the email marketing research company, MarketingSherpa.com. They also happen to be a long time Mail Monitor customer.
There are some great email marketing tips and take aways from the case study. You can read all about it here: