Gmail’s Last Line of Defense on SPAM: Human Behavior + Artificial Intelligence

Bobby Jimenez
2 min readJun 7, 2024

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If you’re wondering why your emails are suddenly ending up in spam, despite following all the settings required to ensure good email deliverability — like having SPF records, DKIM, and DMARC , then you’ve clicked on the right article.

Did you know that your email recipients’ actions (even inactions!) as well as writing your email content in an unnatural manner can impact your emails ending up in spam and may affect your email reputation with Gmail recipients? Spam control and detection is a significant issue. Google not only takes this fight against spam seriously, but they’ve also combined the behavioral algorithms of their users with artificial intelligence to detect spam.

Welcome to my series on why your email may be landing in spam and what you can do next to improve your email deliverability for Gmail recipients. Enjoy!

The Role of User Feedback

Gmail’s user feedback system, which allows users to mark emails as spam or not spam, feeds into their AI to detect and filter emails as spam across their 1.8 billion users. This means that your email reputation can be influenced by how recipients interact with your messages.

Read my article: How Gmail’s User Feedback System Feeds Its AI to Detect Emails as Spam

Read my article: How Gmail’s User Feedback System Feeds Its AI to Detect Emails as Spam

The Impact of AI-Generated Content

Using generative AI like ChatGPT to write your emails can backfire and hurt your email deliverability. Google can detect and flag AI-generated text as spam or low-quality content, affecting your chances of reaching the inbox.

Read my article: Still using Gen AI to write your emails? Google knows..

Read my article: Still using Gen AI to write your emails? Google knows..

Balancing Human Behavior and AI

Gmail’s last line of defense against spam is a combination of human behavior and artificial intelligence. This means businesses, startups, and email marketers need to be aware of how their recipients interact with their emails and how their writing style and content quality can affect deliverability. By following some best practices and avoiding common pitfalls, you can improve your chances of fixing your email reputation, reaching your Gmail audience, and achieving your email marketing goals.

Stay tuned for more tips and insights. Thank you for reading!

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Bobby Jimenez

Email deliverability & Tech geek, eats, drinks and sleeps IT. Proud dad. Consulting in TECH for leaders globally.