[ic] List messages going to SPAM

[Kris Deugau]

Peter via interchange-users wrote:
> On 30/11/24 17:04, Peter via interchange-users wrote:
>> On 30/11/24 16:59, Peter via interchange-users wrote:
>>> And yet this message did not get flagged by razor2, so I'm not 
>>> entirely sure of what content is causing this.  It might have to do 
>>> with a ratio of good to bad content (ham to spam) as determined by 
>>> razor2.
>>
>> ...and I'm going to go with this being the issue.  The reply (above) 
>> did get flagged by razor2 and the content was a lot smaller than the 
>> initial post which wasn't flagged so I think the ratio is significant.
> 
> I've done some further testing, running a message that was flagged 
> directly through razor-check too see what it decides is SPAM and what 
> isn't.  Razor is keying off of the last line of the mailing list 
> signature which is the URL of the listinfo page.  If I remove that one 
> line or change the IC domain name in any way then razor-check decides it 
> is not spam.
> 
> I think removing the footer will fix the issue, or if it is somehow 
> changed as per above, but also consider that razor has somehow decided 
> that mail with that line is SPAM and I don't know how to properly 
> convince it otherwise.

Save a couple of samples, and feed them to razor-revoke.

Vipul's Razor used to build fuzzy hashes of the entire body content, or 
some subset of chunks, but as far as I'm aware it's essentially been 
hashing only URIs for quite some time.

-kgd