core: allow auto retry if the server didnt like the chunk (#882)
core: allow auto retry if the server didnt like the chunk (#882)


filesender/filesender,Veredior/filesender,Veredior/filesender,filesender/filesender,filesender/filesender,Veredior/filesender,Veredior/filesender,Veredior/filesender,filesender/filesender,filesender/filesender