Message Throttling Issues With Exchange and an Email Security Gateway
From time to time, you might find that messages get “stuck” in your email security gateway server and don’t get […]
Short Story: UTMs Are Not a Panacea
One of my customers is an admin who works within a small portion of a larger institution. The main administrative
Quick and dirty database replication with MS-SQL
Microsoft SQL and SQL Express both provide a T-SQL (Transact SQL) command-line interpreter that you can use to automate backup
Who is Responsible for Internet Security: A Response
This is a reply to Margot MacNutt’s original article. Basically you have the Australian courts who want to place the
Interesting question from a customer: ‘Why should we block .EXEs?’
The short answer: because all malware/viruses/worms are executables and the principal type of executables are EXE files (in a Windows-based
Deep header inspection: use with caution
What is deep header inspection? Some anti-spam tools will actually look at the reputation of IP addresses in each of
Cool Tool: WinSCP
I just wanted to share with you a very useful tool that’s been around for a while now, and it
Blocked by RFC-IGNORANT … Now what?
From time to time, customers wind up getting blocked by a seldom seen blacklist called ‘RFC-Ignorant.’ Unlike classical blacklists that
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
Country-Based Blocking
Is it good or bad? Well the answer is it depends. If your organization only operates within North-America, for instance,
