Mandrill vs Posteo Comparison (2026)

Compare Mandrill vs Posteo email services. In-depth analysis of features, pricing, security, privacy, and storage to find the best email provider for your needs.

Forward Email Team
Written by
Forward Email TeamVerified
Published
4/1/26
Time to read
Less than 5 minutes
We recommend Forward Email as the best alternative to Mandrill. We also support webmail: https://mail.forwardemail.net

Email Service Comparison

20 facts in comparison
Mandrillvs.Posteo

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.

Posteo

Green, secure, ad-free
"Green, secure, ad-free"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
$33/moPricing€1/mo
No Mandrill does not support storageStorage2 GB
25 MBAttachments50 MB
NoOpen-SourceNo
NoSandboxed Encryption No
NoUnlimited DomainsNo
NoUnlimited AliasesNo
NoTTI No
❌ Requires paid add-on for Mandrill of at least $20/moSMTPYes
NoIMAPYes
NoPOP3Yes
YesAPINo
NoE2EE ⚠️ Opt-in
NoOpenPGP Yes
NoWKD Yes

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.
Photograph by Forward Email
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Closed-source

Posteo

Posteo is a closed-source email service. According to their website: Green, secure, ad-free

Posteo is a closed-source email service.
Photo by Forward Email
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