Is your email provided by sonic?
If so you can get all the details from this page
Incoming Server: imap.sonic.net
Incoming port with SSL: 993
Incoming port without SSL: 143
Incoming server: pop.sonic.net
Incoming port with SSL: 995
Incoming port without SSL: 110
Outgoing (SMTP) Server: mail.sonic.net
Outgoing port with SSL: 465
Outgoing port without SSL: 587
For receiving, I prefer IMAP to POP3 so that you can setup your email on multiple devices (like a computer and a phone) and they are synchronized. Also if your computer dies or gets stolen, your emails are safely on the server.