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KansasNet Spam Filter Help

SECTION 1 - Enabling the SPAM Filter:  
The first time you log into the SPAM filter settings page, you may see a message indicating that your Email SPAM filter is currently disabled.  You may enable the SPAM filter by choosing one of two buttons.  Once you choose one of the two buttons to enable the filter, you will see a message showing that the SPAM filter is enabled and whether you chose to DELIVER or DELETE.

  • Enable & DELIVER Tagged Emails - This option means you will continue to receive ALL messages including SPAM email, however the e-mails you received which are detected as SPAM by the SPAM filter will show up with "***SPAM***" tag appended to beginning of the subject line. (You may customize the Subject Tag if you like, please see Section 2 below)
    For example: Subject: ***SPAM*** Home Mortgage Rates
  • Enable & DELETE Tagged Emails - This option means the SPAM filter will DELETE those emails which is has detected as SPAM, such that those messages are NOT delivered to your KansasNet e-mail inbox.  You will NEVER see the messages deleted by the SPAM filter.
    **CAUTION**:  Depending on how a person or mail client (such as a list-serv) composes an e-mail, the SPAM filter could automatically tag and DELETE a legitimate message which was sent to you if you choose the DELETE option.  However, assuming you leave your SPAM filter sensitivity at the default level (shown below, on the middle notch, or the fifth notch from the left), we have found that these occurences are quite rare, but you should be aware of the possibility.  Keep reading to learn more about the sensitivity settings.

SECTION 2 - Setting the Sensitivity and Changing the Subject Tag:
After you have enabled the SPAM filter, you may choose to adjust the SPAM filter sensitivity (or aggressiveness) by moving the sensitivity to the right, towards "More Sensitive".  However, we recommend that you do not change the sensitivity setting from the default level, which is the middle-notch, or the fifth notch from the left (as shown in the picture above), unless you are prepared to add multiple "Accept Mail From" Rules (discussed further down this page).  We have found that if you move the sensitivity setting even one-notch higher from the default level, then the likelihood that the SPAM filter tags a legitimate message is greater.  If you do change the sensitivity level, make sure to press the Apply button when you are done.

If you have enabled the SPAM filter and choosen the DELIVER Tagged mail option, then you might choose to adjust the Subject tag.  You can enter whatever you like, however there is generally no specific reason why you would need to change the Subject Tag.  If you do customize the Subject Tag, make sure to press the Apply button when you are done.

SECTION 3 - Adding Custom SPAM Filter Rules:
In addition to the automatic filtering done by the SPAM filter, you can create custom rules in the SPAM filter rules section to allow or deny e-mail from specified senders and/or domains.  Note, when creating custom rules you may utilize the wildcard character * on the email address entered.  The wildcard character makes it possible to create mail rules which act on an entire domain.  For example:
Reject Mail From: someone@spamisp.com will block all emails from someone@spamisp.com
Reject Mail From: *@spamisp.com will block all emails from anyone @spamisp.com
Reject Mail From: *@*.spamisp.com will block all emails from anyone@any_subdomain.spamisp.com

  • "Accept Mail From" Rules:
    You may add "Accept Mail From" rules so that the filter will always accept mail from specified senders and/or domains.  You might need to add a customer "Accept Mail From" rule if the SPAM filter is filtering out legitimate mail from some sender, or if you want to make sure the SPAM filter does not filter out mail from some sender or domain.  To add an "Accept" rule,  select Accept Mail From from the pull down list, then in the field to the right type in the email address you want to accept email from.
    For example: enter someone@somedomain.com and click Add Rule.  You should see the new rule appear in the custom rules list.  (see below for how to use the wildcard character when adding rules)

  • "Reject Mail From" Rules:
    You may reject emails from specified senders and/or domains by adding "Reject Mail From" rules.  For example: If you are receiving unwanted email from someone@spamisp.com, you can add a rule that will block all mail coming from that person, or the entire domain.  Select Reject Mail From from the pull down list, then in the field to the right type in the address you want to block.  For example: enter  enter someone@somedomain.com and click Add Rule.  You should see the new rule appear in the custom rules list.  (see below for how to use the wildcard character when adding rules)

  • "Accept Mail Sent To" Rules:
    Sometimes, when persons or computers send mail to recipients, the recipients are Bcc'd (blind carbon-copied).  Email address of Recipients who are Bcc'd will not appear in the email headers.  What this means is that if someone or some computer sends an email to you, such that you are Bcc'd, then when you receive the email, it will not appear as addressed to you.  For example, mailing lists often send mail to a certain address, such as mail-list@somedomain.com.  If you are subscribed to such a list, then you know that when mail is sent to the listserv address, all of the subscribers on the list receive a copy of the message, although the message was not sent explicitly to each recipient by the sender.  You might need to add "Accept Mail Sent To" rules if you are part of a mailing list, such that you receive mail sent to the mail list address, although your email address does not appear in the list of recipients on messages you receive from the listserv.

Once you have finished adding rules, you may exit the SPAM filter settings page by choosing the Logout button at the bottom of the page.


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Last modified: April 17, 2007