ImprovMX vs Spam Hero Comparison (2026)

What are the differences between ImprovMX and Spam Hero?

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 ImprovMX. We also support webmail: https://mail.forwardemail.net

Email Service Comparison

20 facts in comparison
ImprovMXvs.Spam Hero

ImprovMX

Create free email aliases for your domain name
"Create free email aliases for your domain name"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
vs.

Spam Hero

Cloud-Based Spam Filtering
"Cloud-Based Spam Filtering"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
$9/moPricing$8/mo
No ImprovMX does not support storageStorageRequires 3rd party
50 MBAttachments50 MB
NoOpen-SourceNo
NoSandboxed Encryption No
NoUnlimited DomainsNo
NoUnlimited AliasesNo
TTI TTI 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

ImprovMX

ImprovMX is a closed-source email service. According to their website: Create free email aliases for your domain name

ImprovMX is a closed-source email service.
Photograph by Forward Email
Go to site
Closed-source

Spam Hero

Spam Hero is a closed-source email service. Their official description reads: Cloud-Based Spam Filtering

Spam Hero is a closed-source email service.
Photograph by Forward Email
Go to site

Compare ImprovMX with 78 email services