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This is the support site for Andrews & Arnold Ltd, a UK Internet provider. Information on these pages is generally for our customers but may be useful to others, enjoy!
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<indicator name="Faults">[[File:Menu-emailadd.svg|link=:Category:Email_Features|30px|Back up to the Email Features Category]]</indicator>
When connecting to our email service over IMAP we will create a special folder named <code>spam</code> (lowercase). If you delete the spam folder it will be re-created next time you log in.
The service will then move messages that has been classified as spam in to this folder. This helps
that are not spam.
==
To stop the mail system from putting spam (or any) messages then you can create a Whitelist for your address on the Control Pages.
==Spam 'learning'==
▲You should keep an eye on this folder in case there are messages
Our spam checking system performs many checks on a
message to decide whether it is spam or not. One of the
checks it can do, is to compare the message with previous
messages -this is called Bayesian Learning.
==
If you view the '[[Email_Viewing_Headers|headers]]' of a message, you should see the spam report, and a line looking like:
-3.0 BAYES_00 BODY: Bayes spam probability is 0 to 1%
or perhaps
0.8 BAYES_50 BODY: Bayes spam probability is 40 to 60%
Here you can see the 'Bayes spam probability' as a percentage.
In the first example the Bayes really thinks the message is not spam - it says 0-1%. The second example is less sure about it.
==Teaching the system==
If the 'Bayes spam probability' is incorrect, then it can be taught about messages that it has got wrong in the following ways:
*Move a message '''OUT''' of the spam folder to tell the system it is '''NOT''' spam
*Move a message '''IN''' to the spam folder to tell the system it '''IS''' spam
If you
The process of learning doesn't guarantee that the system will be correct next time a similar message is received, but it should help
and you should see a change in the 'probability' in the headers.
==Legacy folders==
In the past we used to have a system that used folders called <code>learnham</code> and <code>learnspam</code> - this system is no longer used. These
folders can be removed.
[[Category:Email Features]]
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