I found myself in need to having Postfix relay or forward an entire sub-domain to a remote server. My setup includes a number of test servers running my development installs of the Freeside Billing system. The setups need to be able to both send and receive email. Sending is for system email delivery. Receiving is mainly for the built-in Request […]
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 […]
Debian 11 install and setup on a software RAID partition layout. Then booting using uEFI.
Here I will describe the steps taken to migrate domain email service that currently points to Google’s free domain email service to a managed mail server I control. Setup Dovecot as an IMAP and POP3 relay Setup Postfix as an SMTP relay on a user account level
How to Install NextCloud on Debian 11. Today I’m documenting the installing process for the latest version of NextCloud. I will be installing this on Debian 11. I will use Apache w/PHP as the web server and PostgreSQL as the database. NextCloud is a self-hosted alternative to Dropbox and Google Drive. It is made up from a set of server […]
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