Hi Tom,
Thanks for your answer, well yes indeeed I do receive ham and spam but my goal
here would be to try and build up a good starting global corpus to avoid as
much as possible spam since the beginning as I will be migrating quite a lot of
domains and mail account to this new mail server using dspam. I would like to
avoid the situation where user accounts gets migrated and as soon as they are
on the new server they receive a lot of spam messages until they train their
account themselves by marking the message as spam.
The problem is that people are lazy and sometime won't even bother to move
their spam mails into the spam folder or send it to a special spam@ email
address. So I am afraid that users will not train dspam and they will keep on
getting a lot of spam.
Now this makes me think, can dspam somehow autotrain? I mean get better with
spam detection with the time without having an end user having to report the FN
and FP to dspam? Or am I just dreaming of science fiction stuff here ;-)
Cheers
ML
On Wednesday, November 13, 2013 9:22 PM, Tom Hendrikx <t...@whyscream.net>
wrote:
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
On 13-11-13 20:49, ML mail wrote:
> Hello,
>
> I would like to know what you guys recommend as best method for
> training a global user which will then be used for every accounts
> as a starting base. I have defined my global user as such in the
> group file:
>
> Unfortunately I have the impression that my globaluser is not well
> trained as still more than 50% of the spam is being seen as
> innocent. I somehow suspect this having to do with the fact that
> the spam and ham mails from spamassassin are very old (10 years).
>
>
> How would you train a global user? and with which data? is there
> any public spam/ham data somewhere which can be used?
>
You are receiving spam and ham, right? Use that for training, a public
ham corpus doesn't look in any way like your regular ham, and a public
spam corpus from 10 years ago doesn't resemble actual recent spam
messages.
If using (ancient) public corpi was a good solution to spam filtering,
we could drop heuristic engines and just release a binary database dump
every month based on public corpi :)
Regards,
Tom
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