Mailgun vs Spam Scanner Comparison (2025)

What are the differences between Mailgun and Spam Scanner?

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.Spam Scanner

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.

Spam Scanner

Spam Scanner is the best anti-spam, email filtering, and phishing prevention service
"Spam Scanner is the best anti-spam, email filtering, and phishing prevention service"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
$35/moPricingFree (built-in to Forward Email)
No Mailgun does not support storageStorageRequires 3rd party
25 MBAttachmentsUnknown
NoOpen-SourceNo
NoSandboxed Encryption No
NoUnlimited DomainsNo
NoUnlimited AliasesNo
NoTTI No
YesSMTP❌ Requires 3rd party
NoIMAP❌ Requires 3rd party
NoPOP3❌ Requires 3rd party
YesAPIYes
NoE2EE No
NoOpenPGP No
NoWKD No

Email Service Screenshots

Closed-source

Mailgun

Mailgun is a closed-source email service. According to their website: Flexible, scalable, and results driven email sending platform

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

Spam Scanner

Spam Scanner is a closed-source email service. Their official description reads: Spam Scanner is the best anti-spam, email filtering, and phishing prevention service

Spam Scanner is a closed-source email service.
Photograph by Forward Email
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Compare Mailgun with 78 email services