N‑able Mail Assure vs Spam Scanner Comparison (2025)

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

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.	Spam Scanner
N‑able Mail Assure "Email protection to help you secure and scale" Website	vs.	Spam Scanner "Spam Scanner is the best anti-spam, email filtering, and phishing prevention service" Website
Requires you to talk to a sales team	Pricing	Free (built-in to Forward Email)
Requires 3rd party	Storage	Requires 3rd party
Depends on inbound/outbound (e.g. 10 MB)	Attachments	Unknown
No	Open-Source	No
No	Sandboxed Encryption	No
No	Unlimited Domains	No
No	Unlimited Aliases	No
No	TTI	No
❌ Requires 3rd party	SMTP	❌ Requires 3rd party
❌ Requires 3rd party	IMAP	❌ Requires 3rd party
❌ Requires 3rd party	POP3	❌ Requires 3rd party
Yes	API	Yes
No	E2EE	No
No	OpenPGP	No
No	WKD	No

Email Service Screenshots

Closed-source

N‑able Mail Assure

N‑able Mail Assure is a closed-source email service. Their official description reads: Email protection to help you secure and scale

Screenshot by Forward Email

Visit Website

Closed-source

Spam Scanner

Spam Scanner is a closed-source email service. Their official description reads: Spam Scanner is the best anti-spam, email filtering, and phishing prevention service

Screenshot by Forward Email

Visit Website

N‑able Mail Assure vs Spam Scanner Comparison (2025)

Email Service Comparison

N‑able Mail Assure

Spam Scanner

Email Service Screenshots

N‑able Mail Assure

Spam Scanner

Compare N‑able Mail Assure with 78 email services