Proofpoint vs HEY Comparison (2025)

What are the differences between Proofpoint and HEY?

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.HEY

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.

HEY

We finally fixed your email + calendar!
"We finally fixed your email + calendar!"
  • 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)Pricing$99/yr + $12/mo per user
UnknownStorage100 GB
150 MBAttachmentsHEY does not use regular email attachments, which also prevents them from being encrypted with PGP
NoOpen-SourceNo
NoSandboxed Encryption No
NoUnlimited DomainsNo
NoUnlimited AliasesNo
NoTTI No
❌ Requires 3rd partySMTPNo
❌ Requires 3rd partyIMAPNo
❌ Requires 3rd partyPOP3No
YesAPINo
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.
Photograph by Forward Email
Go to site
Closed-source

HEY

HEY is a closed-source email service. Their website says: We finally fixed your email + calendar!

HEY is a closed-source email service.
Photo by Forward Email
Go to site

Compare Proofpoint with 78 email services