Proofpoint vs N‑able Mail Assure Comparison (2025)

What are the differences between Proofpoint 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 Proofpoint.

Email Service Comparison

20 facts in comparison
Proofpointvs.N‑able Mail Assure

Proofpoint

The leader in human-centric cybersecurity
"The leader in human-centric cybersecurity"
  • 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
See Proofpoint plans (requires you to talk to a sales team) (according to a Reddit thread it may cost upwards of +$1000-2000 per month)PricingRequires you to talk to a sales team
UnknownStorageRequires 3rd party
150 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

Proofpoint

Proofpoint is a closed-source email service. Their website says: The leader in human-centric cybersecurity

Proofpoint is a closed-source email service.
Screenshot by Forward Email
Go to site
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.
Screenshot by Forward Email
Go to site

Compare Proofpoint with 78 email services