Is it possible to receive emails from my computer?

Could someone help me receive emails sent to my ip address with a c program?

You mean like a mail server? Well, first you should read up on C, dabble with network programming, and learn about SMTP. And all that doesn't even cover the algorithms and data structures you might need behind the scenes.

Otherwise, please use more that just one ambiguous sentence to describe what you want to accomplish.

Yea I want to make my own mail server and I don't know where to begin. Could you help me with
this conquest.

Well, if you are serious, you should study the source code for sendmail and postfix and all the RFCs relating to mail processing.

Or maybe sSMTP, which is basically a minimalistic mail hub.

You need to know socket programming for network connectivity.
Moreover, for email handling, you'd require to know either IMAP(Internet Mail Access Protocol)/POP3 (Post Office Protocol version 3) (for receiving) and SMTP (Simple Mail Transfer Protocol) (for sending)
Search for the RFCs of the same.
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