Mailinblack vs addy.io Comparison (2026)

What are the differences between Mailinblack and addy.io?

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 Mailinblack.

Email Service Comparison

20 facts in comparison
Mailinblackvs.addy.io

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.

addy.io

Protect your real email address using email aliases
"Protect your real email address using email aliases"
  • 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$4/mo
Requires 3rd partyStorageNo addy.io does not support storage
UnknownAttachments25 MB
NoOpen-SourceYes
NoSandboxed Encryption No
NoUnlimited DomainsNo
NoUnlimited AliasesYes
NoTTI No
❌ Requires 3rd partySMTPNo
❌ Requires 3rd partyIMAPNo
❌ Requires 3rd partyPOP3No
YesAPINo
NoE2EE No
NoOpenPGP No
NoWKD No

Email Service Screenshots

Closed-source

Mailinblack

Mailinblack is a closed-source email service. According to their website: Your cybersecurity is our job

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

addy.io

addy.io is an open-source email service. Its description from its website is: Protect your real email address using email aliases

addy.io is an open-source email service.
Photo by Forward Email
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Compare Mailinblack with 78 email services