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Spammers are better at SPF, DKIM, and DMARC than everyone else (toad.social)

429 points by pabs3 · 495 days ago · 253 comments on HN

Article summary

The article discusses how spammers are more adept at using email authentication protocols such as SPF, DKIM, and DMARC than legitimate senders. This is evident from the fact that spammers are able to successfully deliver emails to inboxes while legitimate senders struggle with email deliverability. The article's content is not available, but the discussion reveals that spammers have a better understanding of how to work with these protocols. As a result, they are able to evade spam filters and deliver their emails to the intended recipients.

Main themes

  • Email authentication protocols
  • Spam filtering
  • Email deliverability
  • SPF, DKIM, and DMARC
  • Legitimate vs spam email

What commenters say

  • Spammers are more skilled at using email authentication protocols than legitimate senders, which allows them to successfully deliver emails to inboxes.
  • Having a good domain reputation is not enough to guarantee email deliverability, as other factors such as IP reputation and email volume also play a role.
  • Some argue that the current email authentication system is flawed and that spammers are able to exploit its weaknesses to deliver their emails.
  • Others believe that the problem lies not with the protocols themselves, but with the way they are implemented and configured by legitimate senders.
  • It is suggested that building up a reputation as a legitimate sender by gradually increasing email volume and monitoring deliverability can help improve email deliverability.
  • Some commenters argue that using a reputable email service provider or a business-grade connection can help improve email deliverability and avoid spam filters.
  • Others disagree, stating that even with proper configuration and a good reputation, legitimate senders can still struggle with email deliverability due to the complexities of the system.
  • The use of middleware and managed services can sometimes cause issues with email deliverability, as they can rewrite email headers and cause SPF and DKIM signatures to fail.