Short video on how to change your mail settings on your iPhone:

I also have the settings below for quick reference.

POP3

Incoming: mail2.element74.com     port: 110

“Use SSL”: Off

Outgoing: smtp2.element74.com     port: 2525

“Use SSL”: Off


IMAP

Incoming: imap2.element74.com     port: 143

“Use SSL”: Off

Outgoing: smtp2.element74.com     port: 2525

“Use SSL”: Off

I hope this helps!