Mailinblack vs ActiveCampaign Comparison (2025)

What are the differences between Mailinblack and ActiveCampaign?

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 Mailinblack.

Email Service Comparison

20 facts in comparison
Mailinblackvs.ActiveCampaign

Mailinblack

Your cybersecurity is our job
"Your cybersecurity is our job"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
vs.

ActiveCampaign

Postmark, the leading service for transactional email, is now part of ActiveCampaign
"Postmark, the leading service for transactional email, is now part of ActiveCampaign"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
Requires you to talk to a sales teamPricing$15/mo
Requires 3rd partyStorageNo ActiveCampaign does not support storage
UnknownAttachments10 MB
NoOpen-SourceNo
NoSandboxed Encryption No
NoUnlimited DomainsNo
NoUnlimited AliasesNo
NoTTI TTI
❌ Requires 3rd partySMTPYes
❌ Requires 3rd partyIMAPNo
❌ Requires 3rd partyPOP3No
YesAPIYes
NoE2EE No
NoOpenPGP No
NoWKD No

Email Service Screenshots

Closed-source

Mailinblack

Mailinblack is a closed-source email service. Their official description reads: Your cybersecurity is our job

Mailinblack is a closed-source email service.
Screenshot by Forward Email
Go to site
Closed-source

ActiveCampaign

ActiveCampaign is a closed-source email service. Their official description reads: Postmark, the leading service for transactional email, is now part of ActiveCampaign

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