Hacker News with Generative AI: SMTP

MailCatcher runs a super simple SMTP server (mailcatcher.me)
Catches mail and serves it through a dream.
Help Needed: Programmatic Email Creation and Management with Custom SMTP Server (ycombinator.com)
Hi HN,<p>I've been working on a project where I need to programmatically create and manage email addresses under my own domain for each user onboarded. I currently use Resend for sending emails (e.g., welcome emails), and my domain's DNS is managed on Cloudflare. However, Resend doesn't seem to support programmatically creating email addresses.<p>My goal is to programatically create emails, monitor email and parse them to LLM etc<p>I've done some research and considered setting up a custom SMTP server to handle this.
SMTP Downgrade Attacks and MTA-STS (alexsci.com)
In this post, I audit several prominent mail providers to discover how they handle email encryption and show how MTA-STS can help improve email security.