Hi,
I have installed CSF as the firewall for my droplet by following this tutorial: https://www.digitalocean.com/community/tutorials/how-to-install-and-configure-config-server-firewall-csf-on-ubuntu
Now, in the sub-heading called Process Tracking, it says that CSF can be configured to send emails to the system admin about the various firewall processes. My questions are:
- Where do I add the system admin email id?
- I have CentOS with MySQL, PHP, Apache running. Will this automatically ensure system emails being sent out or do I need to add some email system?
Thanks in advance.
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@ Kamal Nasser, I would like to thank you once again for taking the time to answer my follow-up questions.
I really do appreciate your assistance.
Thanks, again. I will go with Postfix. As for Dovecot, I am planning to test a ticketing system on the droplet. Now, the actual mailboxes used for the tickets are hosted elsewhere, but an application on the droplet will pull in email from those mailboxes through IMAP and present them in the application’s web interface. I guess this means Dovecot would be required?
As for loopback_only, I found the following enabled in the Postfix config file: inet_interfaces = localhost
Is this the same as loopback_only?
@Kamal Nasser, thank you for your clear instructions, down to the specific commands to use. Believe it or not, this issue was a deal breaker for me when I got a Linode VPS. So, this is a win for DO, thank you, once again.
As for sendmail and postfix, I assume the following:
Also, after installing Postfix, do I need to install Dovecot?