Understanding SPF, DKIM, and DMARC: A Simple Guide(github.com)
394 points by miles | 89 comments
A GitHub repository README offering a simple guide explaining the SPF, DKIM, and DMARC email authentication standards and how they work.
394 points by miles | 89 comments
A GitHub repository README offering a simple guide explaining the SPF, DKIM, and DMARC email authentication standards and how they work.
67 points by jgx0 | 95 comments
A personal blog post about the author's search for an affordable custom-domain email service with unlimited addresses, verified sending, and Apple Mail integration.
332 points by timsneath | 52 comments
Learn and Test DMARC is an interactive site that walks users through how DMARC, SPF and DKIM email authentication work by sending a test email.
594 points by asicsp | 68 comments
Julia Evans's blog post announcing a free guide to implementing a DNS resolver from scratch in about 200 lines of Python.
346 points by pqvst | 228 comments
Mailgun blog post explaining Gmail and Yahoo's 2024 sender requirements and inbox protections and how they affect bulk email senders.
705 points by shaunpud | 356 comments
Blog post alleging German ISP Telefónica/O2 altered its DNS to return NXDOMAIN for the author's site after she exposed an organization it belongs to.