ORF 5 has arrived

September 8, 2012

We are excited to announce the latest and best ORF version from our labs. Learn more about the changes in the new release and get ORF 5 from here.

ORF 5 Beta R3

June 20, 2012

Download the third beta release of ORF 5 with extended expiration (from July 1 of the previous beta releases to September 15) from the beta microsite.

FiveTen DNS Blacklist operates no longer

May 3, 2012

After 11 years of operation, the FiveTen Blackhole List has retired. Read more in our blog.

ORF 5 Beta R2

April 16, 2012

The second beta release is now available. Get it now from the beta site.

ORF 5 Beta R1

April 10, 2012

We are excited to announce the first public preview of the next ORF generation. Learn more and download the beta from

Problem with UB-BLACK ( and Google public DNS servers

January 24, 2012

We have received several reports about false positives caused by UB-BLACK ( when queried from Google public DNS servers. Learn more about the problem and the solution in our blog post.

ORF reaches a VBSpam milestone: 6 tests 4 perfect false positive scores!

March 3, 2011

Of the 6 tests conducted throughout the last year by VBSpam, ORF managed a perfect false positive score 4 times. No other complete solution has been able to achieve this since the launch of the tests. (...)

ORF achieves 0% false positive rate on VBSpam test

January 13, 2011

ORF managed a perfect score on this round of VBSpam's testing catching 99.39% of incoming spam with a 0.00% false positive rate. Read more...

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