Klaviyo vs Mailgun Comparison (2026)

What are the differences between Klaviyo and Mailgun?

Forward Email Team
Written by
Forward Email TeamVerified
Published
2/1/26
Time to read
Less than 5 minutes
We recommend Forward Email as the best alternative to Klaviyo. We also support webmail: https://mail.forwardemail.net

Email Service Comparison

20 facts in comparison
Klaviyovs.Mailgun

Klaviyo

Power smarter digital relationships
"Power smarter digital relationships"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
vs.

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
$20/moPricing$35/mo
No Klaviyo does not support storageStorageNo Mailgun does not support storage
0 MBAttachments25 MB
NoOpen-SourceNo
NoSandboxed Encryption No
NoUnlimited DomainsNo
NoUnlimited AliasesNo
NoTTI No
NoSMTPYes
NoIMAPNo
NoPOP3No
NoAPIYes
NoE2EE No
NoOpenPGP No
NoWKD No

Email Service Screenshots

Closed-source

Klaviyo

Klaviyo is a closed-source email service. Its description from its website is: Power smarter digital relationships

Klaviyo is a closed-source email service.
Screenshot by Forward Email
Go to site
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.
Photo by Forward Email
Go to site

Compare Klaviyo with 78 email services