Recently on one of my personal servers, I upgraded OpenSSL to 3.2.1 and everything seemed to go smoothly. However, I then noticed that though my Postfix MTA (Mail Transfer Agent) seemed to be working, I didn’t get any updates in my email client. That, to me, indicated a problem with my Dovecot MDA (Mail Delivery …
Tag: security
Mar 26 2021
LetsEncrypt SSL certificates for vhosts within the mail stack – via Postfix (SMTP) and Dovecot (IMAP)
For a long time, I didn’t care about using self-signed SSL certificates for the mail stack because 1) they still secured the connection to the server, and 2) those certificates weren’t seen or utilised by anyone other than me. However, for my datacentre infrastructure which houses clients’ websites and email, using self-signed or generic certificates …
Nov 30 2017
Rebooting MacOS into recovery mode to disable System Integrity Protection (SIP) without the command key
My love for Apple and especially MacOS does not run deep. Actually, it is essentially nonexistent. I was recently reminded of the myriad reasons why I don’t like MacOS, and one of them is that the OS should never stand in the way of what the operator wants to do. In this case, I found …
Thought for the Moment
