When a message is clipped, the Gmail mobile app will disable mobile responsiveness and render the email with the desktop view. This also causes any hidden blocks in mobile to be visible as Gmail web/desktop
The Gmail app for iOS clips emails at about20540 characters. This translates to almost exactly 20.0 KB. I say “about” because I also found that this number is inexact. An email that got clipped consistently on one day of testing did not get clipped on later days of testing. This may ...
Are the URLs specified out? You can also include a text version along with the HTML version (images) as most of the clients disable images by default. Most emails received per day go to the spam folder. Gmail has a specifically different way of spam foldering. Usually they don’t mark ...