If you're not sure whether to use POP or IMAP, or what those words even mean, then click here.
POP Settings - SSL DISABLED
Username: <Your username>
E mail Address: <You username>@orcon.net.nz
Account Type: POP
Incoming mail server: mail.orcon.net.nz
Incoming mail server port: 110
Outgoing mail server (SMTP): mail.orcon.net.nz
Outgoing mail server (SMTP) port: 25
POP Settings - SSL ENABLED
Username: <Your username>
E mail Address: <Your username>@orcon.net.nz
Account Type: POP
Incoming mail server: mail.orcon.net.nz
Incoming mail server port: 995
Outgoing mail server (SMTP): mail.orcon.net.nz
Outgoing mail server (SMTP) port: 587
IMAP Settings
Username: <Your username>
E mail Address: <Your username>@orcon.net.nz
Account Type: IMAP
Incoming mail server: mail.orcon.net.nz
Incoming mail server port: 993
Outgoing mail server (SMTP): mail.orcon.net.nz
Outgoing mail server (SMTP) port: 465