ANN: ORF 5.1 Released

June 4, 2013

The first update to the highly appraised new ORF 5 generation is now here with support for Microsoft® Exchange 2013 and many more improvements and tweaks. Learn more about ORF 5.1 and download the latest (...)

ORF 5.1 Beta R1

May 6, 2013

We are happy to announce the first public preview of ORF 5.1, which now supports Microsoft Exchange 2013. Learn more and download the beta from

The NJABL DNS Blacklist is shutting down

March 5, 2013

After several years of providing high quality spam source information for the community, the DNS Blacklist "Not Just Another Bogus List (NJABL Combined List)" is now shutting down. ORF clients using this (...)

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.

hnp1 | hnp2