Re: CAN transmitted message error
The attach function clearly denotes the limitation to .gif, .txt, .jpg
You may complain about this - or e.g. add an extension to your .zips name.
(Feel free to give me the link to a posting where you were able to upload a .zip.
Although, the policies may have changed...)
PEBKAC / EBKAC / POBCAK / PICNIC (eventually see en.wikipedia.org)