A simple mailing service to send xkcd comics to the registered users
- Register your mail id
- Receive random xkcd comic
- Unsubscribe when not needed
- All basic level php libs
- MySQL for storage of emails
- HTTP GET, POST for data transfer
- Mail service, to send respective mails
- Cron job for running the mailing service
- Set up for the mail
# for gmail to work you need to allow access to less secure apps on google account
$ sudo apt install postfix
# select internet as the option in the prompt
$ sudo apt install mailutils
# edit the postfix conf file
$ sudo vim /etc/postfix/main.cf
# change these lines
# (add this below smtp_tls_CApath=/etc/ssl/certs)
smtp_tls_security_level=encrypt
#find relay host add
relayhost = [smtp.gmail.com]:587
# add theses to bottom
smtp_sasl_auth_enable = yes
smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd
smtp_sasl_security_options = noanonymous
# add this to sasl_passwd
$ sudo vim /etc/postfix/sasl_passwd
# add this line
[smtp.gmail.com]:587 email@gmail.com:password
# change ownership and mode
$ sudo chown root:root /etc/postfix/sasl_passwd
$ sudo chmod 600 /etc/postfix/sasl_passwd
# finally postmap
$ sudo postmap /etc/postfix/sasl_passwd
# test the postfix
$ sudo postfix check
# restart and test/ send a test mail, check the mail queue
$ sudo systemctl restart postfix
$ echo "Test Postfix Gmail SMTP Relay" | mail -s "Postfix Gmail SMTP Relay" userid@gmail.com
$ mailq- Set up the mailing service to send mail every 5 minutes
$ crontab -e
# add this line
*/5 * * * * /usr/bin/php /project_path/scripts/news_service.php
# all done, now the news_service.php will run every 5 minutes