Hoặc cài đặt SSMTP trên Shinken Server

Tại Shinken host

sudo apt-get install ssmtp mailutils -y

Sửa file cấu hình

vi /etc/ssmtp/ssmtp.conf

# The person who gets all mail for userids < 1000
# Make this empty to disable rewriting.
root=shinkenvdc@gmail.com

# The place where the mail goes. The actual machine name is required no
# MX records are consulted. Commonly mailhosts are named mail.domain.com
#mailhub=mail
mailhub=smtp.gmail.com:587
AuthUser=shinkenvdc@gmail.com
AuthPass=passworddaivakhonho
UseTLS=YES
UseSTARTTLS=YES

# Where will the mail seem to come from?
#rewriteDomain=
rewriteDomain=gmail.com
# The full hostname
hostname=shinkenvdc@gmail.com

# Are users allowed to set their own From: address?
# YES - Allow the user to specify their own From: address
# NO - Use the system generated From: address
FromLineOverride=YES

vi /etc/ssmtp/revaliases

root:shinkenvdc@gmail.com:smtp.gmail.com:587

Test xem đã có thể gửi mail được chưa sử dụng lệnh sau, kiểm tra hộp thư đến để biết kết quả.

echo "Test email" | mail -s "Shinken" ducnc92@hotmail.com