yet another it blog

SendGrid Logo

Postfix SMTP relay to SendGrid


Postfix can be configured to relay outbound emails trough SendGrid service by adding few lines to postfix configuration. First create API key in SendGrid service. Go to API keys, crate new API key and set access permission to “Restricted Access” and only allow “Mail send” as we wont be needing any other access rights. Copy …

Sophos Logo

How to use Azure MFA with Sophos UTM Firewall.


Sophos UTM firewall can be configured to use Azure MFA for Two-Factor authentication. After installing MFA extension with the help of great guide from Microsoft: https://docs.microsoft.com/en-us/azure/active-directory/authentication/howto-mfa-nps-extension you only need to define couple of settings in UTM and enable policies in NPS server to get it working. Unfortunately I only were able to set it up using …

Ubiquiti Logo

802.1x authentication with Unifi controller and Ubiquiti access points


Ubiquiti seems to be common hardware around homelab users on reddit. I also decided to go with Ubiquiti some years ago as I were interested on the enterprise grade hardware and software they offer for marginal price compared to big vendors like HP, Ruckus, Cisco Meraki etc… I have also used Ubiquiti on customer installations …