Check Point Avanan vs Postmark Comparison (2026)

What are the differences between Check Point Avanan and Postmark?

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 Check Point Avanan. We also support webmail: https://mail.forwardemail.net

Email Service Comparison

20 facts in comparison
Check Point Avananvs.Postmark

Check Point Avanan

Prevent Phishing before the Inbox with Email Security from Check Point
"Prevent Phishing before the Inbox with Email Security from Check Point"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
vs.

Postmark

The email delivery service that people actually like
"The email delivery service that people actually like"
  • 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 teamPricing$15/mo
Requires 3rd partyStorageNo Postmark does not support storage
UnknownAttachments10 MB
NoOpen-SourceNo
NoSandboxed Encryption No
NoUnlimited DomainsNo
NoUnlimited AliasesNo
NoTTI TTI
❌ Requires 3rd partySMTPYes
❌ Requires 3rd partyIMAPNo
❌ Requires 3rd partyPOP3No
YesAPIYes
NoE2EE No
NoOpenPGP No
NoWKD No

Email Service Screenshots

Closed-source

Check Point Avanan

Check Point Avanan is a closed-source email service. Their official description reads: Prevent Phishing before the Inbox with Email Security from Check Point

Check Point Avanan is a closed-source email service.
Screenshot by Forward Email
Go to site
Closed-source

Postmark

Postmark is a closed-source email service. Their official description reads: The email delivery service that people actually like

Postmark is a closed-source email service.
Photograph by Forward Email
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Compare Check Point Avanan with 78 email services