DuoCircle vs Forward Email Comparison (2025)

What are the differences between DuoCircle and Forward Email?

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 DuoCircle.

Email Service Comparison

20 facts in comparison
DuoCirclevs.Forward Email

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
vs.

Forward Email

⭐ Suggested
Email for everyone
"Email for everyone"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
Requires you to talk to a sales teamPricing$3/mo
Requires 3rd partyStorage10 GB pooled
50 MBAttachments50 MB
NoOpen-SourceYes
NoSandboxed Encryption Yes
NoUnlimited DomainsYes
NoUnlimited AliasesYes
NoTTI TTI
❌ Requires 3rd partySMTPYes
❌ Requires 3rd partyIMAPYes
❌ Requires 3rd partyPOP3Yes
YesAPIYes
NoE2EE ⚠️ Opt-in
NoOpenPGP Yes
NoWKD Yes

Email Service Screenshots

Closed-source

DuoCircle

DuoCircle is a closed-source email service. Its description from its website is: Protect Email Against Phishing, Spam and Malware

DuoCircle is a closed-source email service.
Screenshot by Forward Email
Go to site
⭐ RecommendedOpen-source

Forward Email

⭐ SuggestedRecommended

Forward Email is an open-source email service. According to their website: Email for everyone

Forward Email is an open-source email service.
Photo by Forward Email
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Compare DuoCircle with 78 email services