Add http as staging protocol for mailers
Add http as staging protocol for mailers

* force to http protocol because staging doesn't have a proper ssl cert

https://trello.com/c/FWZgCAGR

YOTOV-LIMITED/sched.do,mauricionr/sched.do,yammer/sched.do,yammer/sched.do,mauricionr/sched.do,yammer/sched.do,YOTOV-LIMITED/sched.do,YOTOV-LIMITED/sched.do,YOTOV-LIMITED/sched.do,mauricionr/sched.do,mauricionr/sched.do,yammer/sched.do