Mailgun vs addy.io Comparison (2025)

What are the differences between Mailgun and addy.io?

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 Mailgun.

Email Service Comparison

20 facts in comparison
Mailgunvs.addy.io

Mailgun

Flexible, scalable, and results driven email sending platform
"Flexible, scalable, and results driven email sending platform"
  • 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
$35/moPricing$4/mo
No Mailgun does not support storageStorageNo addy.io does not support storage
25 MBAttachments25 MB
NoOpen-SourceYes
NoSandboxed Encryption No
NoUnlimited DomainsNo
NoUnlimited AliasesYes
NoTTI No
YesSMTPNo
NoIMAPNo
NoPOP3No
YesAPINo
NoE2EE No
NoOpenPGP No
NoWKD No

Email Service Screenshots

Closed-source

Mailgun

Mailgun is a closed-source email service. Their website says: Flexible, scalable, and results driven email sending platform

Mailgun is a closed-source email service.
Screenshot by Forward Email
Go to site
Open-source

addy.io

addy.io is an open-source email service. Their official description reads: 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 Mailgun with 78 email services