Hi Tom,
I have a client who uses MS Outlook 2013. It strips some of the header
when moving email between IMAP folders. Have you heard of this? Leave it
to Microsoft to break RFC protocol.
Eric Broch
On 2/26/2015 3:06 PM, Tom Hendrikx wrote:
> On 26-02-15 22:23, David Mehler wrote:
> > Hello,
>
> > I'm having an issue where spam messages are delivered to a Spam
> > mailbox via sieve, but to retrain I have to move them to the inbox
> > or another folder. Well, the subject ***spam*** header is still
> > there and the message headers are still showing a status of spam
> > and in the message the text identified as spam is appended. I was
> > thinking the headers would be rewritten on a retrain and that text
> > message would also be redone. I'm concluding my retraining is not
> > working. If I need to provide logs let me know.
>
> The message cannot be rewritten. this is IMAP protocol which says that
> once a message has been delivered, no changes may be made to it.
> There is also no reason for rewriting: the message is already
> delivered, so the headers won't be used anymore for filtering or
> delivering.
>
> If you want to know whether training worked, try this:
>
> - Find a message you want to retrain (and didn't retrain before)
> - Run dspam_stats for the user you're training
> - Move the message so dovecot antispam will run your retrain command
> - Run dspam_stats again: it should show the change by decreasing a
> counter (one of true positive/negative) and increase another (one of
> false positive/negative).
> - The DSPAM system or user log (if enabled) should also have an entry
> appended that mentions Retrained
>
> If it failed, your regular dspam logging should contain an error message.
>
> Tom
>
>
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