Fortinet vs Postmark Comparison (2025)

What are the differences between Fortinet and Postmark?

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 Fortinet.

Email Service Comparison

20 facts in comparison
Fortinetvs.Postmark

Fortinet

Global Leader of Cybersecurity Solutions and Services
"Global Leader of Cybersecurity Solutions and Services"
  • 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
UnknownStorageNo 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

Fortinet

Fortinet is a closed-source email service. Its description from its website is: Global Leader of Cybersecurity Solutions and Services

Fortinet is a closed-source email service.
Photo by Forward Email
Visit Website
Closed-source

Postmark

Postmark is a closed-source email service. Its description from its website is: The email delivery service that people actually like

Postmark is a closed-source email service.
Photograph by Forward Email
Visit Website

Compare Fortinet with 78 email services