iPhone might be the most used email client, especially for consumer messages. And Outlook rendering is terrible, but it supports conditional comments[1] that le

iPhone might be the most used email client, especially for consumer messages. And Outlook rendering is terrible, but it supports conditional comments[1] that let you target code only to Outlook or hide it only from Outlook. [1] http://esd.io/blog/html-email-buttons-conditional-comments.html http://esd.io/blog/html-email-buttons-conditional-comments.h...