Mandrill vs Startmail Comparison (2026)

What are the differences between Mandrill and Startmail?

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 Mandrill.

Email Service Comparison

20 facts in comparison
Mandrillvs.Startmail

Mandrill

Reach inboxes when it matters most
"Reach inboxes when it matters most"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
vs.

Startmail

Private email you can trust
"Private email you can trust"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
$33/moPricing$7/mo
No Mandrill does not support storageStorage20 GB
25 MBAttachments25 MB
NoOpen-SourceNo
NoSandboxed Encryption ❌ Startmail claims to use a User Vault, but this statement has not been audited and their source code is closed-source
NoUnlimited DomainsNo
NoUnlimited AliasesNo
NoTTI No
❌ Requires paid add-on for Mandrill of at least $20/moSMTPYes
NoIMAPYes
NoPOP3Yes
YesAPINo
NoE2EE ⚠️ Supported if both sender and recipient are using OpenPGP
NoOpenPGP ⚠️ Supports OpenPGP, but does not support WKD
NoWKD No

Email Service Screenshots

Closed-source

Mandrill

Mandrill is a closed-source email service. Its description from its website is: Reach inboxes when it matters most

Mandrill is a closed-source email service.
Screenshot by Forward Email
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Closed-source

Startmail

Startmail is a closed-source email service. Their official description reads: Private email you can trust

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