Merhaba,
Aşağıdaki şekilde kolaylıkla yapabilirsiniz;
apt-get install sendemail

ip=`echo $SSH_CONNECTION | cut -d " " -f 1`
logger -t ssh-wrapper $USER login from $ip
echo "User $USER just logged in from $ip" | sendemail -q -u "SSH Login" -f "Originator <from@address.com>" -t "Your Name <your.email@domain.com>" -s smtp.server.com &
https://askubuntu.com/questions/1798...-is-successful