Some thoughts:
On May 24, 2011, at 18:52 , Amancio Díaz Suárez wrote:
> {ok, PngContent0} = file:read_file(?MAIL_PNG_LOGO),
> PngContent1 = base64:encode(PngContent0),
> PngContent = erlang:binary_to_list(PngContent1),
Are you sure that you need to build a List ?