So it sounds like I may be better off NOT training on existing messages.  Only 
on new that come in.

Don Ireland
-----Original Message-----
From: Magnus Holmgren <[EMAIL PROTECTED]>
Date: Monday, Mar 12, 2007 5:23 am
Subject: Re: Training SA-Migrating from old IMAP to new IMAP server
To: users@spamassassin.apache.org

On Sunday 11 March 2007 18:09, Don Ireland wrote:
> I'm my email over from the services of fusemail.com to the IMAP server that
> comes with my shared hosting account.
>
> When I copy my messages over from the old server, do I just run SA-learn
> against the messages as they are?  Or will the fact that they have fusemail
> headers in them cause SA to think messages without fusemail headers are
> spam?

If so, you can make bayes ignore those headers with bayes_ignore_header in 
local.cf. See the Mail::SpamAssassin::Conf(3pm) manpage.

> I've always deleted spam after training the filters so I don't have any to
> feed to to the new system.  Will that be a problem?

Having too great an imbalance in numbers between ham and spam will bias the 
bayes classifier towards "everything is spam" or in this case "everything is 
ham".

-- 
Magnus Holmgren        [EMAIL PROTECTED]
                       (No Cc of list mail needed, thanks)


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