OOPSpam vs DuoCircle Comparison (2026)

Compare OOPSpam vs DuoCircle email services. In-depth analysis of features, pricing, security, privacy, and storage to find the best email provider for your needs.

Forward Email Team
Written by
Forward Email TeamVerified
Published
4/1/26
Time to read
Less than 5 minutes
We recommend Forward Email as the best alternative to OOPSpam. We also support webmail: https://mail.forwardemail.net

Email Service Comparison

20 facts in comparison
OOPSpamvs.DuoCircle

OOPSpam

Automate your Spam and Abuse Detection
"Automate your Spam and Abuse Detection"
  • 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
$49/moPricingRequires you to talk to a sales team
Requires 3rd partyStorageRequires 3rd party
UnknownAttachments50 MB
NoOpen-SourceNo
NoSandboxed Encryption No
NoUnlimited DomainsNo
NoUnlimited AliasesNo
NoTTI No
❌ Requires 3rd partySMTP❌ Requires 3rd party
❌ Requires 3rd partyIMAP❌ Requires 3rd party
❌ Requires 3rd partyPOP3❌ Requires 3rd party
YesAPIYes
NoE2EE No
NoOpenPGP No
NoWKD No

Email Service Screenshots

Closed-source

OOPSpam

OOPSpam is a closed-source email service. Their official description reads: Automate your Spam and Abuse Detection

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

Compare OOPSpam with 78 email services