HTML image not showing in Gmail

Question

I\'m sending an e-mail newsletter in HTML. Inside the HTML I have something like

Answer 1

Google only allows images which are coming from trusted source .

So I solved this issue by hosting my images in google drive and using its url as source for my images.

Example: with: http://drive.google.com/uc?export=view&id=FILEID'>

to form URL please refer here.