November '12 VBSpam award won again

November 27, 2012

After a small hiccup in the previous test ORF was once again awarded the VBSpam Verified qualification. 99.32% spam catch rate with only 9 emails coming back as false positives.

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.

hnp1 | hnp2