How can I find POP3 or imap setting for my email (registered with personal domain) , so that I can set the same on Gmail? where i can find that info and the port, and the outgoing server and incoming server???
Please check the knowledge base first next time: https://infinityfree.net/support/pop-imap-smtp/
On Free Hosting you can only access your email accounts through the built in webmail client as IMAP, POP and SMTP aren’t available on the Free Tier, i you would like these features you’ll have to upgrade at iFastNet Premium Hosting - InfinityFree.
(P.S. I recently upgraded to iFastnet and their service is excellent as is their customer support)