14May 2020 by Jim Blaich

Proxmox Mail Gateway rejections from some domains but not others, aka “my last post if full of shit”, sort of.

computers, dovecot, email server, Linux, Postfix
It is really hard to test some of this stuff out.  In my last post I did certainly cover the effect but I thought I understood the cause as well.  That is not the case, so I was full of shit, so to speak, and sort of. The problem was, if my customer sent or forwarded from some domains both related to one company the emails were rejected.  A reject email was sent back to the originator of the email. I thought this had to do with configuration of the Proxmox Mail Gateway (PMG).  That was partially correct.  Those things I spoke about in my previous post were problems, and I did correct them, and that is a good thing.  There was more wrong.  I needed to resolve that as…
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06Apr 2018 by Jim Blaich

Moving WordPress from One Server to Another

.htaccess, aliases, Apache, certbot, computers, DNS, dovecot, email server, firewall, Internet, letsencrypt, Linux, mysqldump, NAT, permissions, pfsense, ports, Postfix, prosody, registrar, Web Server, wordpress
As a network administrator there comes a time when we need to reconfigure our server network(s) to some degree.  We do this in order to be more efficient and solve important issues. In the computer server world that means moving things such as hardware and services around. I have a couple of projects I found where I needed to move services from one computer server to another. Part of this need to consolidate services onto a single machine was spurred on by the need to demonstrate to my site's visitors that server security is important.  Besides, when hosting web sites and email accounts for others, those users want to know that where they are going is actually secure. We've seen cyber security in the press a whole lot more, so…
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