ImprovMX vs DuoCircle Comparison (2025)

What are the differences between ImprovMX and DuoCircle?

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 ImprovMX.

Email Service Comparison

20 facts in comparison
ImprovMXvs.DuoCircle

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.

DuoCircle

Protect Email Against Phishing, Spam and Malware
"Protect Email Against Phishing, Spam and Malware"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
$9/moPricingRequires you to talk to a sales team
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. Their website says: Create free email aliases for your domain name

ImprovMX is a closed-source email service.
Photograph by Forward Email
Visit Website
Closed-source

DuoCircle

DuoCircle is a closed-source email service. Their website says: Protect Email Against Phishing, Spam and Malware

DuoCircle is a closed-source email service.
Photo by Forward Email
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Compare ImprovMX with 78 email services