Tag: Spam Filter

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)

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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)

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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 group decided to overhaul their primary firewalls with UTM devices instead, which included spam and virus filtering for MTAs (Mail Transfer Agents). Can a UTM device replace a dedicated device? (Dec 10, 2010)

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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)

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In the war against spam, where does legislation fit in?

Currently, there are several different approaches to fighting spam, including:Technological, Associative and Legislative.Today I’ll talk about the legislative approach: what it actually represents, along with its status, limitations and weaknesses. (Dec 06, 2010)

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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)

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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)

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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)

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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)

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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)

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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)

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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)

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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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Email Security Matters: A Look Back at the Year

Email Security Matters just turned one and we thought this would be the perfect opportunity to highlight some of the top posts of the year. (Oct 01, 2010)

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Word of the Week: Email Bomb

An email bomb is the act of sending copious amounts of e-mail in an attempt to overflow a mailbox or crash the mail server. (Sep 29, 2010)

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You might be an IT Nazi if…

When it comes to email content and filter settings, let’s suppose you have to keep a tight lid over what users can and cannot access. Or maybe you’re just too keenly aware of how people can get themselves into trouble and all the man-hours required to clean up the resulting mess. You might be an IT Nazi if... (Sep 22, 2010)

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Summer Email Security News: It was the ‘Summer of Spam’!

Lots of activity in our industry this summer, following the major trends we outlined previously: huge spam volumes, consolidation, virtualization and more. (Sep 15, 2010)

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Cool Tool: IMAPCOPY

Have you ever had to migrate mailboxes from server X to server Y? Unfortunately, each type of MTA natively stores mailboxes and folders differently from other MTAs (Sep 08, 2010)

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What does Email Security mean to you?

When it comes to securing your organization’s email, you want to protect all aspects of email flow: inbound, local-to-local, and outbound. (Sep 01, 2010)

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6 Ways to Reduce Your Costs with a Virtual Machine Solution

In his post, Six major trends for Email Security Companies, Mike discusses the trend of virtualization and the cloud. In case you still need convincing, here are 6 ways to reduce your IT costs through optimization of resource utilization: (Aug 31, 2010)

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