Mail.app not receiving emails with photos attached

Hi,

Im a photographer who use my domainname as an email adress (name@homepage.org).

When someone is email me on that adress it is automaticly forwarded to Gmail. My mail.app is then connected gmail so that I get the mail to my computer.

Everything have been working fine for like 2 years atleast until yesterday when suddenly I didnt recieve any mails with photos attached, on any of my devices (imac, macbook, ipad, iphone)

Does anyone have any clue on whats wrong?