Top 10 Tips to Secure Your Email Server
1. Configure mail relay options carefully to avoid being an Open Relay It’s very important to configure your mail relay […]
dnsbl
What No One Tells You About Country-Based DNSBL Blocking
Back in 2009, I wrote an article about country-based DNSBL blocking. You can find the original article here:https://www.vircom.com/security/country-based-blocking/ Thankfully, the
Why am I blacklisted?
First: If you’re a security savvy IT administrator, this article is not for you. This will sound pretty obvious to
100% spam prevention – impossible?
On one of the security mailing lists I follow, someone had an interesting conundrum. His management wants a 100% effective
DNS Blacklist filtering still rules, but for how long?
I came across a blog post from Virus Bulletin today, explaining that anti-spam solutions displayed significantly lower spam catch rates [in
Time to give up on GFI/SORBS?
A year ago, in november 2009, GFI Software acquired spam blocklist provider SORBS promising improvements to the responsiveness and data
Test your mail server security infrastructure with Email Security Grader
Email Security Grader is a newly launched online tool that provides useful information for IT administrators and Mail System managers