Optimize Your Inbox Rate By At-least 90% - GMass

Not sure if they really check your email campaigns, but seems like your subject line only had\s to contain either of the words. Those who are trying to hit the inbox but do not possess any SMTP server can download GMass and make use of this. Time is limited, so better make use of it now before it ends.

GMass is a chrome extension which sends mass email from your Gmail account itself.

Gmass having too bad reviews even on their FB page - so note sure which one is good for Mass Mailing.