Yes it will train surgemail (a little bit) if you do that.

Weather or not it gives a real benefit is another question :-)

     ChrisP

On 18/04/2016 4:51 p.m., surgemailHIDDEN@etwinsite.com wrote:
> So this may be a real stupid question, but that's never stopped me 
> before...
>
> I've used Thunderbird since it came out and have been using its built 
> in Junk filters. It does a pretty darn good job and I've been happy 
> with it. I leave Thunderbird running on a computer full-time and it 
> certainly makes life simpler on my mobile devices. The occasional spam 
> that gets through Thunderbird to my inbox I simply move to the Junk 
> folder. False positives at this point is basically nil.
>
> If I subscribe to the Spam folder and change my settings in 
> Thunderbird to use the Spam folder instead of the Junk folder, will 
> this help train Surgemail system-wide or will it be localized to me? 
> If it's just me, can I change settings so that it affects things 
> system-wide?
>
> On 4/17/16 4:04 PM, surgemail-support wrote:
>> In thunderbird you will need to use the 'subscribe' option to find 
>> and add
>> the spam folder.
>>
>> You can make this automatic by setting:
>>      g_imap_auto_subscribe "Spam"
>>
>> I think that should make it happen automatically.
>>
>>      ChrisP.
>>
>>
>> On 16/04/2016 10:32 a.m., surgemailHIDDEN@etwinsite.com wrote:
>>> I have updated to the latest SurgeMail version.  I used the migration
>>> feature since I was moving to a new server.  In the web client, I 
>>> see my
>>> migrated IMAP folders along with the "Spam" folder.  However, I do 
>>> not see
>>> this Spam folder in Thunderbird.  Should I be seeing this Spam 
>>> folder in
>>> my desktop client?
>>>
>>> Regards,
>>>
>>> Arthur
>>>
>>> Thunderbird 38.7.2 on Windows 10
>>> Server OS: Debian 8 (Jessie).
>>> SurgeMail Version 7.1e-1, Built Nov 14 2015 13:29:00, Platform Linux_64
>>> (Surgeweb Enabled)
>>
>>
>
>