sudo -i
apt-get update
apt-get dist-upgrade
apt-get install --reinstall msmtp-mta heirloom-mailx
apt-get clean
exit
nano ~/.mailrc

set sendmail="/usr/bin/msmtp"
set message-sendmail-extra-arguments="-a gmail"

nano ~/.msmtprc

#Gmail account
defaults
logfile ~/msmtp.log

account gmail
auth on
host smtp.gmail.com
from adhikarisubir@gmail.com
auth on
tls on
tls_trust_file /usr/share/ca-certificates/mozilla/Equifax_Secure_CA.crt
user adhikarisubir@gmail.com
password your_gmail_password
port 587

account default : gmail

chmod 600 .msmtprc

mail -s "subject" address@mail.com