N‑able Mail Assure vs AT&T Comparison (2025)

What are the differences between N‑able Mail Assure and AT&T?

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.	AT&T
N‑able Mail Assure "Email protection to help you secure and scale" Website	vs.	AT&T "AT&T Mail is now Yahoo Mail" Website
Requires you to talk to a sales team	Pricing	$5/mo
Requires 3rd party	Storage	5000 GB
Depends on inbound/outbound (e.g. 10 MB)	Attachments	25 MB
No	Open-Source	No
No	Sandboxed Encryption	No
No	Unlimited Domains	No
No	Unlimited Aliases	No
No	TTI	No
❌ Requires 3rd party	SMTP	❌ No longer supported
❌ Requires 3rd party	IMAP	❌ No longer supported
❌ Requires 3rd party	POP3	❌ No longer supported
Yes	API	No
No	E2EE	No
No	OpenPGP	No
No	WKD	No