RAR Backup

rem @echo off
set src=Z:\Photo
set dst=C:\Users\user1\mail.ru\2015.01.10
set password=P@ssw0rd
set volumesize=512m

setlocal ENABLEDELAYEDEXPANSION
for /F "DELIMS=" %%I in ('DIR "%src%" /B/A:D 2^>NUL') do (
   mkdir "%dst%\%%~nI"
   start "RAR" /WAIT "C:\PROGRAM FILES\WINRAR\WINRAR.EXE" A -r -hp%password% -v%volumesize% -m0 -ep1 "%dst%\%%~nI\%%~nI" "%src%\%%I\*"
)