Options pattern and configuration explained in .NET and C#
Configuration - Blog
Easy way to make every query case-insensitive in EF Core with PostgreSQL
How to use ES modules (ES6) JavaScript syntax on IIS node.
How to setup Angular 11+ Hot Module Replacement (HMR) correctly.
DMARC is a control system and tells the receiving mail server whether to accept an e-mail message if SPF and/or DKIM failed.
With DKIM the sending mail server encrypts the e-mails body and headers and appends the encrypted hash to the e-mail header (DKIM-Signature).
SPF (Sender Policy Framework) tells the receiving mail server whether the sending mail server is allowed to send e-mails with the domain of the sender email address.
Easily setup Node JS on a Windows Server with Internet Information Services (called IIS)