can't receive emails from contact forms or wordpress

Hi,

yes, i cannot receive any emails from any contact form plugins, tried many top ones CF7, jetpack, etc etc
but now also any emails, comments notifications etc..

I understand this thread has already been posted many times before, but i’ve read up, i’ve tested, i’ve tried smtp and just can’t seem to knuckle down the solution, so need your help..

My site was running fine, updating wordpress and plugins as usual over time, and after awhile of noticing no emails, i checked and realised contact form 7 the form i was using was saying email sent, but nothing was coming through.
i checked all the forums on CF7 and couldn’t figure out my issue still.
I’ve emailed my host Crazy Domains to see if my php email was disabled, as apparently others had had that issue with their host servers..

I do try to solve my own issues before complaining on here, even though i’m not the best at it, but now need someone’s help, as i don’t know what else to do.

Any help fixing my email issue would be greatly appreciated.

Thank you.
Regards
Simon
website : https://www.simonsayspt.com