Postmark vs Gmail Comparison (2026)

What are the differences between Postmark and Gmail?

Forward Email Team
Written by
Forward Email TeamVerified
Published
1/1/26
Time to read
Less than 5 minutes
We recommend Forward Email as the best alternative to Postmark.

Email Service Comparison

20 facts in comparison
Postmarkvs.Gmail

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
vs.

Gmail

Secure, smart, and easy to use email
"Secure, smart, and easy to use email"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
$15/moPricing$7.20/mo
No Postmark does not support storageStorage30 GB pooled
10 MBAttachments25 MB
NoOpen-SourceNo
NoSandboxed Encryption No
NoUnlimited DomainsNo
NoUnlimited AliasesNo
TTI TTI No
YesSMTPYes
NoIMAPYes
NoPOP3Yes
YesAPIYes
NoE2EE No
NoOpenPGP No
NoWKD No

Email Service Screenshots

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
Closed-source

Gmail

Gmail is a closed-source email service. Their official description reads: Secure, smart, and easy to use email

Gmail is a closed-source email service.
Photo by Forward Email
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Compare Postmark with 78 email services