Tag: Ip
Anti-Spam Performance Awards in the Real World
Why would an anti-spam filter with tons of awards guaranteeing 99.9%+ catch rate and ultra-low false positive rates perform poorly in the real world? Why would an email security software from another vendor do better despite having a lower score in the same certification/award program? (Feb 28, 2011)
Deep header inspection: use with caution
Some anti-spam tools will actually look at the reputation of IP addresses in each of the received headers of an email. Reputation mechanisms usually involve multiple sources, e.g., DNSBLs and Honeypot-driven reputation services. (Apr 19, 2010)
Reverse DNS checking: Is it safe to use?
Every time I do a setup with a customer, the question always comes up: Should we use Reverse DNS checking or not when configuring connection-level blocking security measures? (Dec 04, 2009)
More Recent News
Recent Spam Survey Winners
We are extremely pleased with the tremendous response that we have received to this point from our Fight Email Spam survey. As promised we have randomly selected winners of our gift card prizes. (Jan 23, 2012)
New Year's Resolution
We spend 8 to 10 (or more) hours a day at work - more time than we spend anywhere else - and our desks/workspaces are becoming our kitchen tables. But, do you realize that our desks are covered in more bacteria... (Jan 20, 2012)
Email Usage Survey
We are currently conducting a market research on email usage at work. Thank you for filling our this very short survey. (Jan 12, 2012)
