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

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

Forward Email Team
Written by
Forward Email TeamVerified
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 Assurevs.Spam Scanner

N‑able Mail Assure

Email protection to help you secure and scale
"Email protection to help you secure and scale"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
vs.

Spam Scanner

Spam Scanner is the best anti-spam, email filtering, and phishing prevention service
"Spam Scanner is the best anti-spam, email filtering, and phishing prevention service"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
Requires you to talk to a sales teamPricingFree (built-in to Forward Email)
Requires 3rd partyStorageRequires 3rd party
Depends on inbound/outbound (e.g. 10 MB)AttachmentsUnknown
NoOpen-SourceNo
NoSandboxed Encryption No
NoUnlimited DomainsNo
NoUnlimited AliasesNo
NoTTI No
❌ Requires 3rd partySMTP❌ Requires 3rd party
❌ Requires 3rd partyIMAP❌ Requires 3rd party
❌ Requires 3rd partyPOP3❌ Requires 3rd party
YesAPIYes
NoE2EE No
NoOpenPGP No
NoWKD No

Email Service Screenshots

Closed-source

N‑able Mail Assure

N‑able Mail Assure is a closed-source email service. According to their website: Email protection to help you secure and scale

N‑able Mail Assure is a closed-source email service.
Photograph 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

Spam Scanner is a closed-source email service.
Screenshot by Forward Email
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Compare N‑able Mail Assure with 78 email services