(Exchange! Powerful! Best-of-breed! Most reliable email solution! AV and Spam filtering included with all Exchange plans.)
Managed Exchange $8.95/mo
Unlimited Email Storage, ActiveSync up to 5 devices, contact/calendar sharing, unlimited resource mailbox, NO Skype for Business.
Managed Exchange Plus $12.95/mo
Same as Exchange but you can ActiveSync up to 10 devices, and Standard Skype for Business is included. Enterprise Skype for Business is an available upgrade.
Email Forward $2/mo.