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

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

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 Spam Hero.

Email Service Comparison

20 facts in comparison
Spam Herovs.N‑able Mail Assure

Spam Hero

Cloud-Based Spam Filtering
"Cloud-Based Spam Filtering"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
vs.

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
$8/moPricingRequires you to talk to a sales team
Requires 3rd partyStorageRequires 3rd party
50 MBAttachmentsDepends on inbound/outbound (e.g. 10 MB)
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

Spam Hero

Spam Hero is a closed-source email service. Their website says: Cloud-Based Spam Filtering

Spam Hero is a closed-source email service.
Photograph by Forward Email
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Closed-source

N‑able Mail Assure

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

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