Hello .
A - i'm use mikrotik 5.20 with userman
the daily userman backup uploaded to e-mail automatic
yasterday the userman backup size was 6.8 MB as same the last a few days a go
today it size have 21.9MB it's so big ... i'm sure nothing changed in my data
i removed the Logs and sessions to back it normal size as yasterday but nothing change !!!
what is make the userman data in this size , and how i can make sure it not virus ?
B - ( i have anther problem , when i lost the power on my Mikrotik 
all database and userman config removed )
each time i need to reload the umb file if i have it plz any help ??
