Responsive design is the only truly "Mobile Email Design" which uses resolution of devices to decide the display. It requires two designs and extensive coding. It works well with iPhone and iPad and most of mobile phones though not all mobile environments support this as of now.
For responsive design, monks will review your design once received for feasibility of responsive design coding. Monks will get in touch with you if any changes are required.
This will increase the time limit to deliver the code further by few hrs.
Below is a great example of responsive email design.
A scalable email layout is readable & clickable no matter which size environment it is being read in. There is only one version (one HTML file) of the email, but the email scales to look great on both desktops and mobile devices.Scalable designs utilize techniques such as:
Selecting scalable design option will increase time to deliver html code by few hours.
Please make sure email is designed in single column for monks to deliver scalable design. Monks will review your design once received for feasibility of scalable design coding. Monks will get in touch with you if any changes are required.
Below is a great example of Scalable Email.