Postmark vs Apple Mail (iCloud) Comparison (2026)

What are the differences between Postmark and Apple Mail (iCloud)?

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 Postmark. We also support webmail: https://mail.forwardemail.net

Email Service Comparison

20 facts in comparison
Postmarkvs.Apple Mail (iCloud)

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.

Apple Mail (iCloud)

Private, secure, and personal email from Apple
"Private, secure, and personal email from Apple"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
$15/moPricing$0.99
No Postmark does not support storageStorage50 GB pooled
10 MBAttachments20 MB
NoOpen-SourceNo
NoSandboxed Encryption No
NoUnlimited DomainsNo
NoUnlimited AliasesNo
TTI TTI No
YesSMTPYes
NoIMAPYes
NoPOP3❌ iCloud does not support POP3
YesAPINo
NoE2EE No
NoOpenPGP No
NoWKD No

Email Service Screenshots

Closed-source

Postmark

Postmark is a closed-source email service. According to their website: The email delivery service that people actually like

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

Apple Mail (iCloud)

Apple Mail (iCloud) is a closed-source email service. Their website says: Private, secure, and personal email from Apple

Apple Mail (iCloud) is a closed-source email service.
Photograph by Forward Email
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Compare Postmark with 78 email services