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Summary

Recovering Gmail deliverability after a decline in inbox placement can be a complex process, often requiring a multifaceted approach. It typically involves a deep dive into sender reputation, list hygiene, and content optimization, alongside leveraging tools like Google Postmaster Tools. While some traditional methods like cutting unengaged recipients still yield positive results for many, others report that these techniques alone are no longer sufficient to restore a damaged reputation, indicating a shift in Gmail's filtering algorithms.

What email marketers say

Email marketers facing a drop in Gmail inbox placement often feel challenged by the opaque nature of deliverability issues. Many report trying standard fixes, such as reducing send volume and targeting engaged users, only to find limited or no improvement. There's a common sentiment that Gmail's 'penalty box' is a difficult place to escape, with a desire for clearer signals to indicate that corrective actions are being recognized and making a difference. The experience highlights the frustration when traditional methods seem to lose their efficacy.

Marketer view

Email marketer from Email Geeks explains past deliverability issues and current recovery efforts. This sender experienced good deliverability in 2018, followed by a significant decline in Q4 of that year. Since then, they have been actively trying to rehabilitate their email program by stopping the problematic practices and substantially reducing send volume.

22 May 2019 - Email Geeks

Marketer view

Email marketer from Email Geeks outlines the difficulty in identifying the root cause of deliverability issues. They are struggling to pinpoint definitively where the problem lies, indicating the complex and often obscure nature of email deliverability diagnostics.

22 May 2019 - Email Geeks

What the experts say

Email deliverability experts agree that recovering Gmail inbox placement is an ongoing challenge, with the effectiveness of common techniques varying. While some still observe positive results from list segmentation and engagement-focused sending, others note that these strategies alone are not as impactful as they once were, sometimes even worsening reputation. The consensus points to the necessity of Google Postmaster Tools for monitoring, but emphasizes that the specific recovery path depends heavily on the underlying problem. Patience and consistent adherence to best practices are repeatedly cited as crucial.

Expert view

Email expert from Email Geeks suggests setting up Google Postmaster Tools and cutting unengaged recipients. They cite a client case where removing inactive addresses over two months helped improve domain reputation from bad to medium, even in a typically challenging email vertical. This highlights the practical impact of list segmentation on sender health.

15 May 2019 - Email Geeks

Expert view

Email expert from Email Geeks notes current challenges with Google and that traditional fixes seem less effective. They explain that many senders are facing issues, and common techniques for improving Gmail delivery are not working as they used to. This indicates a potential shift in how Gmail evaluates senders.

15 May 2019 - Email Geeks

What the documentation says

Official documentation and industry reports consistently underscore the importance of sender reputation, user engagement, and adherence to technical standards for optimal Gmail deliverability. Google Postmaster Tools are presented as the primary resource for senders to understand their performance metrics, including spam rate, IP reputation, and domain reputation. The documentation also highlights the evolving nature of email filtering, driven by user feedback and sophisticated algorithms designed to protect inboxes from unwanted mail. Proactive monitoring and adaptive strategies are key to maintaining good inbox placement.

Technical article

Documentation from Google Postmaster Tools states that senders should aim to keep their spam rate low. A consistently low spam rate is a strong indicator of good sender reputation and is vital for ensuring messages reach the inbox. High spam rates will trigger more aggressive filtering by Gmail.

01 Apr 2025 - Google Postmaster Tools

Technical article

Documentation from Google's sender guidelines emphasizes the importance of using strong authentication (SPF, DKIM, and DMARC). Proper email authentication helps Gmail verify sender identity, which builds trust and reduces the likelihood of emails being marked as spam or spoofed. This is a foundational step for reliable deliverability.

10 Apr 2025 - Google Sender Guidelines

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