Mailchimp vs Fastmail Comparison (2025)

What are the differences between Mailchimp and Fastmail?

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 Mailchimp.

Email Service Comparison

20 facts in comparison
Mailchimpvs.Fastmail

Mailchimp

Turn Emails into Revenue
"Turn Emails into Revenue"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
vs.

Fastmail

Fast, private email that’s just for you
"Fast, private email that’s just for you"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
$33/moPricing$3/mo
No Mailchimp does not support storageStorage2 GB
25 MBAttachments70 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 No
NoOpenPGP ⚠️ Fastmail does support PGP, but not in their webmail; see this blog post for insight
NoWKD No

Email Service Screenshots

Closed-source

Mailchimp

Mailchimp is a closed-source email service. Its description from its website is: Turn Emails into Revenue

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

Fastmail

Fastmail is a closed-source email service. Their official description reads: Fast, private email that’s just for you

Fastmail is a closed-source email service.
Photograph by Forward Email
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Compare Mailchimp with 78 email services