A Collection of scripts to automate the task of System Administrator in a Network.
- Install the postfix, mailutils
sudo apt install mailutils && sudo apt install postfix - When it asks for domain (internet), insert any domain of your desire
- After installation edit:
sudo vi /etc/postfix/main.cf - In the
relayhost = [smtp.gmail.com]:587 - You can insert any SMTP details of your choice.
- Paste at the end of main.cf:
Enable SASL Authentication
smtp_sasl_auth_enable=yes
#disallow methods anonymous authentication
smtp_sasl_security_options=noanonymous
#Location of Sasl_passwd
smtp_sasl_password_maps=hash:/etc/postfix/sasl/sasl_passwd
#Enable StartTLS Encryption
smtp_tls_security_level=encrypt
#location of CA certificates
smtp_tls_CAfile=/etc/ssl/certs/ca-certificates.crt
- After every change reload postfix:
sudo postfix reload - Create file:
sudo vi /etc/postfix/sasl/sasl_passwd - Paste the username and password for account to be used.
[smtp.gmail.com]:587 umair@gmail.com:password123 - Map the Password:
sudo postmap /etc/postfix/sasl/sasl_passwd - Allow from Gmail sign-in Security,
Allow Less secure Apps
- For Single Email Syntax:
echo "TEST EMAIL BODY" | mail -s "TEST EMAIL SUBJECT SMTP" umair@gmail.com - For Multiple Emails Syntax:
echo "TEST EMAIL BODY" | mail -s "TEST EMAIL SUBJECT SMTP" umair@gmail.com ahmed@gmail.com - For CC Syntax:
echo "TEST EMAIL BODY" | mail -s "TEST EMAIL SUBJECT SMTP" umair@gmail.com ahmed@gmail.com -c khan@gmail.com - For Sending File:
echo "TEST EMAIL BODY" | mail -s "TEST EMAIL SUBJECT SMTP" umair@gmail.com -a file.txt - For Sending File:
echo "TEST EMAIL BODY" | mutt -s "TEST EMAIL SUBJECT SMTP" umair@gmail.com -a file.txt
- For disk space notify Bot:
./diskspaceNotifyBot.sh <Email> - If you want to send bulk or cc use double quotes