N‑able Mail Assure vs HEY Comparison (2025)

What are the differences between N‑able Mail Assure and HEY?

Written by

Forward Email Team

Published

7/1/25

Time to read

Less than 5 minutes

We recommend Forward Email as the best alternative to N‑able Mail Assure.

Email Service Comparison

20 facts in comparison

N‑able Mail Assure	vs.	HEY
N‑able Mail Assure "Email protection to help you secure and scale" Website	vs.	HEY "We finally fixed your email + calendar!" Website
Requires you to talk to a sales team	Pricing	$99/yr + $12/mo per user
Requires 3rd party	Storage	100 GB
Depends on inbound/outbound (e.g. 10 MB)	Attachments	HEY does not use regular email attachments, which also prevents them from being encrypted with PGP
No	Open-Source	No
No	Sandboxed Encryption	No
No	Unlimited Domains	No
No	Unlimited Aliases	No
No	TTI	No
❌ Requires 3rd party	SMTP	No
❌ Requires 3rd party	IMAP	No
❌ Requires 3rd party	POP3	No
Yes	API	No
No	E2EE	No
No	OpenPGP	No
No	WKD	No