Train with -Ns and -Sn

[Tom Anderson]

David Relson wrote:
> On Wed, 21 Mar 2007 10:44:17 +0100
> Peter Gutbrod wrote:
> 
> 
>>I have 2 mailboxes where I sort in the mails rated as unsure or
>>classified wrongly  by bogofilter. I feed the mails in this mailboxes
>>periodically to bogofilter with -Ns for spam and -Sn for non-spam
>>emails.
>>
>>I'm wondering, whether it might lead to a bad database, if I
>>reregister unsure mails, that have never been registered before.
>>
>>So should I use instead just -s and -n, without unregistering the mail
>>first.
>>
>>The reason I used -Ns and -Sn is, that I use bogofilter with the -u
>>option so far. So any wrongly classified mail needs unregistering. To
>>keep things easy, I didn't want to process unsure mails differently
>>than wrongly classified spam and no-spam emails.
>>
>>Peter
> 
> 
> Hi Peter,
> 
> Using just "-s" or "-n" would be better.  
> 
> If you're using the "-p" option, each message has an "X-Bogosity:
> Ham/Spam/Unsure" line.  Thinking of your folders as "should_be_ham" and
> "should_be_spam",  you have four types of messages:
> 
>   classified as ham,    should be spam:  use switch "-Ns"
>   classified as spam,   should be ham:   use switch "-Sn"
>   classified as unsure, should be ham:   use switch "-n"
>   classified as unsure, should be spam:  use switch "-s"
> 
> A script can be written to register each message properly (taking
> into account which folder it's in and its X-Bogosity line).

I use the "bfproxy" script to do this.  It will determine which flags to 
pass to bogofilter depending on the initial classification.  You can 
find it in your bogofilter contrib directory or at

http://orderamidchaos.com/bogofilter/bfproxy

Tom