Helpful tips and hints using Open Efilter

Do you want to stop seeing spam coming into your inbox? It's simple and easy to do. Open Efilter by default will rewrite your emails with a new prefix to your subjects. Some of them will now start to begin with: [SPAM] See the section below for a detail list on "How To" or if you are comfortable with using your mail client software, simply set up a new rule to look for a specific word, or phrase and move those messages to another folder.

Open Efilter is going to rewrite certain headers and more noticeably the "SUBJECT" line with your providers notice, in this example below it's rewritten with the default beginning with the word [SPAM]

You will start seeing new messages enter your inbox with messages looking like this above, this is an example screen shot from Microsoft Outlook 2003 with Open eFilter running. We recommend to folks who don't want to see spam in their inbox to create a rule or filter in the email client to move mail with [SPAM] in the subject into a different folder. If you set up your message filters like this, then it kind of works like a personal quarantine folder.

It is important to properly train your SPAM tagging filter by following these simple rules:

1. What to do about a legit email that is tagged [SPAM]?
False positives are rare but they can happen. If they do, it is usually at the beginning stages (first month or two) after an Open Efilter installation. If you find any good emails that happen to arrive in the new folder and or messages tagged [SPAM] that are not spam, then forward those messages to nospam@yourdomain.com

Send your legit emails to: nospam@yourdomain

2. What to do about a spam email that is not tagged [SPAM]?
False negatives may occur when new spam messages are flooding your system. If you find any messages which were not tagged with the subject [SPAM] that really are spam, then forward those messages to spam@yourdomain to get these messages blocked in the future.

Send your spam emails to: spam@yourdomain

"How To" for Setting Up New Rules in MS Outlook 2003

Start by opening up MS Outlook

Now pressing the Tools (A) button, then open the frame and click on Rules and Alerts... (B).

You may get a Rules and Alerts warning if you've upgraded. Simply press No (C) or Yes.

Now press on New Rule... (D)

Now click on Move messages with specific words in the subject to a folder (E), then click on specific words (F)

Now type in the field: [SPAM] (G) and press Add (H)

Now press in Step 2: move it to the specific folder (I)

Now assign the folder you want to guaranteed your mail, we suggest the Junk E-mail folder (J) then press OK (K)

Now click on Finish (L)

Now you are almost there, let's click on Run Rules Now... (M) and then click on Apply (N)

Now your done.

NOTE: When Open eFilter is initially installed, there may be a couple of false positives, make sure you check your quarantine (Junk E-Mail) folder to double check that you are not moving legitimate email you want to see/read. If you find any good emails that happen to arrive in the new folder and or messages tagged [SPAM] that are not spam, then forward those messages to

To: nospam@yourdomain

If you find any messages which were NOT tagged with the subject [SPAM] that are really spam, then forward those messages to

To: spam@yourdomain

to get these messages blocked in the future.

About Inter7 Internet Technology, Inc.

Inter7 is a software development company known in the open source community for creating world class, products that offer real solutions for today's confusing IT choices. Based in the Chicagoland area, Inter7 provides remote and on site networking solutions around the world. From extensive, international support contracts servicing clients 24 hours a day to the individual installations of communication servers, you can be assured of cost effective solutions and peace of mind.

Inter7 boasts a customer base in excess of 2,000 companies worldwide. 700,000+ email accounts managed.  Installation of ISP and commercial grade email systems over 2,000 times. We actively manage 20 large cluster ISP email installations, we have been in business over ten years, since 1997. We are primary developers of major parts of second largest MTA in the world (qmail) related software. Finally, we offer 24x7 global support.

Inter7 success is based on utilizing the service model of business for open source/free software, they have enabled companies, contractors, and developers to maintain their own servers, contribute source code, and became a tier one commercial communication and email (qmail) support provider as well.

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