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SpamScanner vs DuoCircle: privacy compared

SpamScanner and DuoCircle are both rated in spam and virus filtering against the same 9 public criteria.

SpamScanner compared with DuoCircle
CriterionSpamScanner Our pickDuoCircle
GradeGrade B B (80/100)Grade F F (35/100)
JurisdictionUnknownUnited States Five Eyes
Open source
Is all the source code needed to run the product public?
Yes sourceNo
No trackers or telemetry
Are the website and apps free of third-party trackers, with any analytics anonymous and any telemetry off by default?
Yes sourceNo source
No ads or data sales
Is the product funded without advertising, ad targeting or selling user data?
Yes sourcePartial source
Independent audit
Has an independent security or privacy audit been published within the last three years?
NoPartial source
Transparency report
Does the provider regularly publish how many government and legal requests it receives and how it responds?
Not applicablePartial source
Tells users about requests
Does the provider promise to tell users about requests for their data, unless a court forbids it?
Not applicableYes source
TLS configuration
Does the website pass the Qualys SSL Labs test with a grade of A or better?
Not applicableYes source
Security headers
Does the website pass the Mozilla HTTP Observatory test with a grade of A or better?
Not applicableNo source
Modern web standards
Does the website score 90% or higher on the Internet.nl website test?
Not applicableNo source

Which is more private, SpamScanner or DuoCircle?

SpamScanner scores higher on the public criteria: 80 out of 100, against 35 for DuoCircle. SpamScanner does better on open source, no trackers or telemetry and no ads or data sales. DuoCircle does better on independent audit. Disclosure. Privacy Ratings is maintained by the team behind Forward Email, which also makes SpamScanner. This entry is scored by the same criteria as every other entry in this category, and changes to it are reviewed under the published conflict-of-interest rules. How scoring works

Summaries

SpamScanner. SpamScanner scores 80 out of 100 (grade B) on the spam and virus filtering criteria. It meets 3 of 4 criteria: open source, no trackers or telemetry and no ads or data sales. It does not meet independent audit.

DuoCircle. DuoCircle scores 35 out of 100 (grade F) on the spam and virus filtering criteria. It meets 2 of 9 criteria: tells users about requests and TLS configuration. It partly meets no ads or data sales, independent audit and transparency report. It does not meet open source, no trackers or telemetry, security headers and modern web standards. It is based in the United States: Five Eyes member; subject to the US CLOUD Act. Automated tests: SSL Labs grade A, Mozilla HTTP Observatory grade C and Internet.nl website score 61%.

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