I just tested this to be working fine in the latest source code.

There was an issue fixed very recently (in version 7.2b-6) wrt 
attachment filename encoding which had a failure mode much like that:
      http://netwinsite.com/surgeweb/help/updates.htm


Make sure that you are running a 7.2b-6+ build (including surgeweb 
templates) and it should work fine I believe. Let me know if you are 
already running a new enough version and I'll chase it further.


Marijn




On Thursday 04/08/2016 at 11:13 am, Lyle  wrote:
> It appears I have discovered a file name issue for attachments inside 
> SurgeWeb.
>
>
> Windows clients using SurgeWeb and SurgeWeb host is Linux.  File names 
> in Windows allow the use of the # symbol.  But can not attach them in 
> SurgeWeb.  Looks like SurgeWeb sends a copy to the server when 
> attaching and that fails as the # symbol is not a legal character in 
> file names on Linux.
>
>
> Lyle Giese
>
> LCR Computer Services, inc.
>
>