How do I know if my email is pop3 or imap?

I’m trying to sync my school email to my smart phone and it asks me all these questions such as if it’s exchange, pop3, imap etc and then asks me about its security and such. My question is how do i find this stuff out about my email? I have no idea what I’m looking for! Thanks!

Comments:

If you get your email from a web site, it’s IMAP.
If you download it to a mail client without using a web browser, it’s probably POP3.
If you were using Microsoft Exchange, you’d know it: it’s ancient. (Replaced by Outlook.)

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