Tag: Anti Spam
directQuarantine for Outlook Launches Today
Today Vircom launches directQuarantine for Outlook, a Microsoft add-on for Outlook designed to relieve IT administrators from time-consuming quarantine tasks. Users can view, sort, search & release their quarantined email directly within Outlook. (Apr 19, 2011)
How To Deploy a Spam Filter with Exchange: Whitelists & Blacklists
Installing Exchange Server anti-spam components (for Exchange Server 2007 and 2010) can improve security by allowing the administrator to apply whitelists and blacklists on the Edge Transport and Hub Transport servers. But, over time, they can also place a burden on administrators because they must be managed manually. (Mar 15, 2011)
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)
Top 10 Tips for Choosing a Spam Filter for Exchange
Spammers use common tricks to bypass the primary mail server security to spam an Exchange Server. One solution would be to install a separate spam filter to scan for and trap unwanted mail before it reaches the Exchange Server. (Feb 25, 2011)
Spear Phishing with unsecured databases
Remember the old phishing emails that starting with “Dear User1”? Well, those days have passed and scammers have gotten to know you better. And where’s the best place to do that - Facebook? Yes of course, but that’s not the only source of information. (Feb 14, 2011)
Three ways configure a spam filter with Exchange Server
Here are three ways that you can configure a spam filter with Microsoft Exchange Server. (Feb 07, 2011)
World Business Guide 2011: New Year, Old Scam
Over the past 6 years, this scam has been called Euro Business Guide and World Business Directory, claiming thousands of victims and making thousands of dollars in the process. Why change a winning formula? In 2011 it’s back as the World Business Guide. (Jan 21, 2011)
25 Most Common Mistakes in Email Security
The 25 most common mistakes in email security. (Jan 14, 2011)
Word of the Week: Pagejacking
Pagejacking is defined in Vircom’s Glossary of Spam Terms as “A form of spamming a search engine’s index (spamdexing) whereby spammers make a copy of a website and use it to redirect surfers to malicious websites.” This means that a website page (preferably one with a high page ranking) is copied (sometimes with meta-tags) and the traffic is filtered off to another site. (Jan 13, 2011)
Email Overload: Clear your inbox in a few easy steps
A few steps to help you use your inbox properly and quickly clear it. Based on methods proposed by Mark Hurst in his excellent book, Bit Literacy. (Jan 10, 2011)
How To Deploy a Spam Filter with Exchange
Spam, any unwanted email, has been an increasing problem for business. Not only is it a nuisance, it can often be downright dangerous for your business, carrying viruses and other malware. Various spam filters exist; however, choosing the best option for your company can get complicated. Do you use a separate server to act as a mail relay, a third party program, or integrate the filter into your firewall or your mail server? (Dec 07, 2010)
Slow Mail Server? Not so Fast!
You just completed installing a brand new mail server, and the mailboxes have been configured and enabled. The newly mounted server is a monster: able to take punishment, heavy loads, and process data in a flash. (Dec 01, 2010)
Word of the Week: Bacn
What? Wait a second…we’ve heard of spam (and dread it) but what is this bacn you speak of? Mmm bacon (a la Homer Simpson). Nope, not that kind! Bacn, as described by Wikipedia, is all that email that you have signed up for (think: countless newsletters that seemed necessary at the time) but are often not read by you for a long period of time. (Nov 23, 2010)
Latest spear phishing wave targets companies
Let’s say your name is Jim and you get this email. It looks like this Michelle knows you but you can’t really remember who she is. Since you have 8,641,037 friends on Facebook, you decide to trust the email (it’s not perfect, but it’s not as full of typos as typical spam, so that’s a start!). (Nov 12, 2010)
Email Security Grader: More security through education and community
The security battle today has two main fronts: systems and education of users. Email Security Grader hopes to promote the education of network admins on email security. (Nov 03, 2010)
How to troubleshoot “Insufficient system resources” errors on Exchange
Your email gateway server is unable to deliver messages to your backend Exchange mail server because of an “Insufficient system resources” error. Here's some troubleshooting help: (Oct 28, 2010)
WHOIS Woes
Over the last couple of weeks, I’ve been working on a project where I needed to determine the creation dates of various domains. Little did I know about the complexities involved in achieving such an apparently simple task. After all, ICANN has a WHOIS Data Reminder Policy (WDRP), thus all domains must have this information readily available via a simple WHOIS query. (Oct 25, 2010)
Java exploits increase as AV performance decreases
These 2 pieces of bad news could make a bad combination. The first piece of bad news is the recent upswing in attacks on Oracle’s Java software. According to a Computerworld1 article published today, the past 9 months has seen a whopping increase in attacks, from “less than half a million in the first quarter of 2010 to more than 6 million in the third quarter.” Much of the focus of these attacks has been on 3 vulnerabilities that were supposedly patched months, even years ago. (Oct 20, 2010)
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 and restore processes. It enables you to utilize publisher/publishee configurations for real-time or near real-time replication. Sometimes, though, all you may want to do is run a daily backup of the database on one SQL Server and restore it to a second SQL Server to keep a "warm standby" available. This can be done easily with a pair of simple batch files. Here’s how you do it: (Oct 18, 2010)
I’m getting flooded with spam - HELP!!
Here are the top 3 security gaffes and a bonus one! (Oct 13, 2010)
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