I find myself in need of automating the blocking of IPs that I find in mail and auth logs. The system it old enough I cannot install fail2ban. I figured out a way to make it happen with iptables and ipset instead. Read along as I provide the details about blocking inbound traffic using a list dynamically generate with ipset […]
How to Set Up a Mail Server with Postfix, Dovecot and PostfixAdmin on Debian 11 Here I will document building a new mail server to replace my existing server. I will install this in a virtual server on my ProxMox server. My hardware requirements are very minimal. I will create a container with a 100GB drive capacity, 8GB of ram […]
We are going to create Billing Events in Freeside which send email notifications for Expiring Credit Cards. Follow along by navigating to Configuration > Billing > Billing Events. Once there, click “Add a new event“. The following image shows the proper “Event Conditions” and “Event Actions” that need to be set to send a notification. Important! “Initialize event” is optional. […]
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