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Spam Prevention with DSPAM

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Getting Started

To get started you must login to YAMS at http://yams.project42.k12.ne.us.  On the "My Account Screen" you will see a DSPAM Opt In/Out option.  Click on that link.  Select "Yes" and then "Next".  You are now set up to use DSPAM.

Enable2:



Open a web browser such as Internet Explorer or Firefox.  Go to this website: 

http://dspam.project42.k12.ne.us

A log-in box will pop up.  Enter your ESU 10, 11, 15, 16, or PANESU E-mail address and password to log in to DSPAM.
Upon successfully logging in to DSPAM you will see several tabs at the top of the screen.  The tabs look like this:

tabs:


Configuring DSPAM

Click on the "Preferences" tab.  You will see a screen like this open up:

Prefs:

The preferences are set by default for you.  However, you are able to change them to your liking. 

Configuring DSPAM - Training Preferences

In the "Training" section  you have two options.  When I train DSPAM I prefer:

1) To forward my spams

There are two ways to train DSPAM. One way to train DSPAM is by logging in to the DSPAM interface at http://dspam.project42.k12.ne.us *.

The other way to train DSPAM is by forwarding spam and ham directly from your E-mail application (such as Outlook, Eudora, OS X Mail, Webmail/Squirrelmail) to a special E-mail address  *.

If you select the "To forward my spams" option, you may train DSPAM either way you choose. One caveat of this preference is that every E-mail sent to you will contain a DSPAM signature at the bottom of the E-mail. The signature will look something like: !DSPAM:15,3e1243d553522060916644! This signature is used by DSPAM to process the message for training.

* (Refer to the "Training DSPAM" section for more details)

2) To train my spams via the DSPAM web interface

If you select the "To train my spams via the DSPAM web interface" option, you may ONLY train DSPAM via the interface at http://dspam.project42.k12.ne.us *.  When using this option you may not train DSPAM by forwarding spam/ham to the special E-mail addresses *.

Some users may like this option because the DSPAM signature will not be added to the bottom of received E-mail. Another advantage of using only this option is that spam E-mail doesn't have to be opened in order to forward it to DSPAM for training.

* (Refer to the "Training DSPAM" section for more details)

Filter Sensitivity

In the Training options there is also a setting for Filter Sensitivity. This setting is best left exactly in the middle for the first 4-6 weeks of training. After that users may wish to increase or decrease this setting.

Configuring DSPAM - Message Handling

Under the "Message Handling" section there are  three options for you to choose from.  This preference determines what DSPAM will do with E-mail it classifies as spam.

1) Quarantine - DSPAM will put the spam E-mail into your personal quarantine and the E-mail will not be delivered to your inbox. Refer to the "Viewing Quarantined E-mail With the Quarantine Tab" section for more details.

2) Tag the Subject Header With - DSPAM will simply add some text which you specify to the Subject line of the spam E-mail, and then deliver the E-mail to your inbox. The E-mail will not appear in your personal quarantine. A common setting for this preference is [SPAM?].

3) Deliver the message normally with a X-DSPAM-Result header - DSPAM will neither quarantine the spam E-mail nor tag the subject of the E-mail. Instead, DSPAM just adds an additional header to the E-mail indicating the result of DSPAM processing. This choice will probably only be used by advanced users.

Configuring DSPAM - Features

There are three features one may choose to enable or disable.

1) Enable noise reduction... - This should normally be enabled with a checkmark to improve filtering results.

2) Enable automatic whitelisting... - This setting should normally be enabled. Whitelisting is a technique used by DSPAM which automatically allows E-mail from the addresses one commonly receives E-mail from. This ensures that DSPAM will never incorrectly mark a whitelisted E-mail as spam.

3) Add the factoring tokens... - This setting should normally be left disabled. Advanced users may wish to enable this setting in some circumstances.

Training DSPAM

There are two ways to train DSPAM. One can train DSPAM either by using the DSPAM web interface or by forwarding spam and ham to special E-mail addresses.

Training With the DSPAM Web Interface

If DSPAM makes a mistake and you receive spam in your inbox, visit the History tab and train DSPAM.  Refer to this illustration:

History1:

  1. Click the check box next to each spam message that should be trained.
  2. Be careful that you don't check boxes next to messages that already say Retrained Retrained: (those are messages you have already trained)
  3. Once you have checked the boxes next to the spam messages, click the "Retrain Checked" button.
  4. It is important that you train DSPAM for EVERY spam message you receive (until you have received 100 non-spam messages)
Training DSPAM by Forwarding E-mail

If DSPAM makes a mistake and you receive spam in your inbox, you will need to forward the spam to a special E-mail address. That special E-mail address is of the format spam-username@esu10.org. For example, if your E-mail address were santaclause@esu10.org, you would forward missed spam to spam-santaclause@esu10.org. DSPAM will then receive the E-mail and retrain itself.

If DSPAM makes a mistake and incorrectly classifies an E-mail as spam, you will need to forward the spam to another special E-mail address. That special E-mail address is of the format notspam-username@esu10.org. For example, if your E-mail address were santaclause@esu10.org, you would forward missed spam to notspam-santaclause@esu10.org. DSPAM will then receive the E-mail and retrain itself.

**Note: any training performed using these methods should be reflected in the History tab of the DSPAM web interface.


Viewing Quarantined E-mail with the Quarantine Tab

If you chose to enable the quarantine preference, any E-mail that DSPAM determines to be spam is stored in the quarantine.  If DSPAM incorrectly categorizes an E-mail message as spam (rarely happens), you must visit the Quarantine and release the message.  This causes the E-mail to be delivered to your inbox and DSPAM to retrain. Refer to this illustration:

Quarantine:
  1. Click the check box next to the message that should be delivered to your inbox.  (Be careful that you do not check actual spam messages.)
  2. Click the "Deliver Checked" button.
  3. The E-mail message will be delivered to your inbox and DSPAM will retrain itself.
  4. Check your E-mail for the message.
** It is recommended that you periodically empty your quarantine by using the "Delete All" button on the Quarantine page.

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