HEY vs Cisco Secure Email Defense Comparison (2026)

What are the differences between HEY and Cisco Secure Email Defense?

Forward Email Team
Written by
Forward Email TeamVerified
Published
2/1/26
Time to read
Less than 5 minutes
We recommend Forward Email as the best alternative to HEY. We also support webmail: https://mail.forwardemail.net

Email Service Comparison

20 facts in comparison
HEYvs.Cisco Secure Email Defense

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
vs.

Cisco Secure Email Defense

Advanced protection to safeguard your inboxes
"Advanced protection to safeguard your inboxes"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
$99/yr + $12/mo per userPricingRequires you to talk to a sales team
100 GBStorageUnknown
HEY does not use regular email attachments, which also prevents them from being encrypted with PGPAttachments100 MB
NoOpen-SourceNo
NoSandboxed Encryption No
NoUnlimited DomainsNo
NoUnlimited AliasesNo
NoTTI No
NoSMTP❌ Requires 3rd party
NoIMAP❌ Requires 3rd party
NoPOP3❌ Requires 3rd party
NoAPIYes
NoE2EE No
NoOpenPGP No
NoWKD No

Email Service Screenshots

Closed-source

HEY

HEY is a closed-source email service. Its description from its website is: We finally fixed your email + calendar!

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

Cisco Secure Email Defense

Cisco Secure Email Defense is a closed-source email service. According to their website: Advanced protection to safeguard your inboxes

Cisco Secure Email Defense is a closed-source email service.
Screenshot by Forward Email
Go to site

Compare HEY with 78 email services