According to email analytics provider Litmus , 47% of emails are opened via mobile devices . This study was conducted over 250 million opens worldwide .
Websites nowadays are responsive which means that the design fits according to the device that users use , may it be tablet , mobile phones , laptop , desktop etc. Hence responsive design for email is a must , looking at the increasing number of users using email on their mobile phones.
More here ... http://tinyurl.com/nyrjmj9
