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Is Google Postmaster showing readings since May 30?

Michael Ko profile picture
Michael Ko
Co-founder & CEO, Suped
Published 25 May 2025
Updated 18 Aug 2025
5 min read
Many email senders rely on Google Postmaster Tools (GPT) to gauge their email deliverability performance, especially when sending to Gmail recipients. So, when data seems to disappear or isn't updating as expected, like the specific concern about readings since May 30, it can be quite alarming.
While some users have reported seeing consistent data, others, including those with high sending volumes, have noted a lack of updates around that timeframe. This inconsistency suggests that the issue might be isolated or related to specific configurations rather than a universal outage.

Understanding Google Postmaster Tools data

Google Postmaster Tools provides crucial insights into your email program's health, offering dashboards for spam rate, IP and domain reputation, feedback loops, and authentication (SPF, DKIM, and DMARC). These metrics are vital for understanding how your emails are perceived by Gmail's filtering systems.
It's important to remember that GPT data is not real-time. There's typically a delay of 2-3 days, and sometimes even more, before data becomes visible. Additionally, GPT requires a significant volume of email sent to Gmail accounts to display any information at all. If you're not sending enough volume, data may be sparse or completely absent.
Users can typically adjust the timeline to view data for the last 7, 30, 60, 90, or 120 days. This flexibility helps in analyzing trends over time and diagnosing issues that might not be immediately apparent.

Data Category

Description

Typical Delay

Spam rate
Percentage of mail marked as spam by users
1-3 days
IP reputation
Health of your sending IP addresses
1-3 days
Domain reputation
Health of your sending domain
1-3 days
Authentication
SPF, DKIM, and DMARC pass rates
1-3 days

Common reasons for missing or delayed data

Several factors can contribute to missing or delayed data in Google Postmaster Tools. The most common is insufficient sending volume to Gmail users. If your domain isn't sending enough emails to Gmail, GPT won't have enough data to display.
Authentication issues also play a significant role. If your SPF, DKIM, or DMARC records are misconfigured, or if your emails consistently fail authentication checks, this can impact how Google processes and displays your data. Sometimes, anomalies can also be due to accidental de-registration of your domain from Postmaster Tools.
Furthermore, Google occasionally rolls out updates or experiences internal system fluctuations that can temporarily affect data reporting. While less common, these backend changes can sometimes lead to intermittent data or complete gaps, making it appear as though readings are missing for specific periods.

Understanding data gaps

Even with consistent sending, GPT data can sometimes show gaps or appear delayed. This is usually not an indicator of a deliverability problem itself, but rather a characteristic of the tool's data processing and aggregation. Always consider the typical 1-3 day delay before concluding there's an issue with your email performance. For more about this, check out our article on delayed or missing Postmaster data.

Troubleshooting missing data in Google Postmaster

If you're noticing missing data in Google Postmaster Tools, particularly for a specific period like since May 30, the first step is to confirm your domain is still correctly verified in the system. Double-check your DNS records to ensure the verification TXT record is still present and configured correctly. Any changes to your domain's DNS provider or settings can sometimes inadvertently break this connection.
Next, ensure you're sending sufficient email volume to Gmail. If your volume has recently dropped, or if you primarily send to non-Gmail addresses, GPT may not accumulate enough data to display. Consistent, high-volume sending is key for reliable reporting.
It's also crucial to review your email authentication protocols. Verify that your SPF, DKIM, and DMARC records are properly implemented and aligned. Authentication failures can negatively impact your deliverability and, consequently, your data visibility in GPT. For comprehensive monitoring, consider a DMARC monitoring solution to catch issues promptly.

Common issues

  1. Low volume: Not enough emails sent to Gmail recipients to generate data.
  2. Domain deregistration: Domain accidentally removed or verification record is missing.
  3. Authentication failures: SPF, DKIM, or DMARC not passing consistently.
  4. Google anomalies: Temporary system issues or updates on Google's end.

Troubleshooting steps

  1. Confirm verification: Ensure your domain is still verified and the TXT record is present.
  2. Increase volume: Send sufficient email to Gmail to meet the data threshold.
  3. Check authentication: Verify SPF, DKIM, DMARC alignment and pass rates.
  4. Monitor news: Look for official Google announcements on GPT status updates.

Maintaining email health

Beyond troubleshooting data availability, it's essential to use Google Postmaster Tools proactively to maintain strong email health. Monitoring your spam rate and domain/IP reputation scores helps you react quickly to potential issues before they severely impact deliverability. A sudden spike in spam reports, even if data is delayed, is a critical warning sign that needs immediate attention.
Regularly cleaning your email lists and actively avoiding spam traps are fundamental practices. High spam rates can lead to your domain or IP address being added to an email blocklist (or blacklist), significantly hindering your ability to reach the inbox. Understanding your domain reputation through GPT is a key step in this ongoing process.
Beyond the basic metrics, ensuring robust email authentication (SPF, DKIM, and DMARC) is more critical than ever, especially with recent changes from major mailbox providers. This foundational security helps build trust with Gmail and other receivers, improving your overall inbox placement.
Example DMARC record for monitoring and enforcementDNS
v=DMARC1; p=quarantine; rua=mailto:dmarc_reports@yourdomain.com; ruf=mailto:dmarc_forensic@yourdomain.com; fo=1; aspf=s; adkim=s;

Views from the trenches

Best practices
Actively use Postmaster Tools to identify deliverability issues early.
Maintain a consistent and sufficient sending volume to Gmail users.
Regularly review your SPF, DKIM, and DMARC authentication status.
Clean your email lists to remove inactive or problematic addresses.
Common pitfalls
Assuming missing data means no deliverability problems.
Not checking authentication records when data gaps occur.
Ignoring Google's volume thresholds for data display.
Failing to review Google's official announcements for known issues.
Expert tips
Monitor GPT trends over weeks and months, not just daily.
Utilize DMARC reports for a more granular view of authentication failures.
Segment your sending by campaign type to pinpoint performance issues.
Cross-reference GPT data with other deliverability metrics.
Expert view
Expert from Email Geeks says some users reported steady data since May 30, indicating the issue might not be universal.
June 6, 2024 - Email Geeks
Marketer view
Marketer from Email Geeks says for certain corporate domains, the last data point was May 15, especially with lower mail volumes.
June 6, 2024 - Email Geeks
While it can be frustrating to see missing or inconsistent data in Google Postmaster Tools, it's important to approach these situations systematically. Confirming your setup, ensuring sufficient volume, and maintaining strong email authentication are your primary lines of defense. Remember that GPT is a diagnostic tool, not a real-time monitoring system, and its data reflects trends rather than instant changes.
Even with temporary data hiccups, the insights provided by Postmaster Tools remain invaluable for optimizing your email deliverability to Gmail recipients. By focusing on fundamental best practices and staying informed about Google's policies and any reported issues, you can continue to ensure your messages reach the inbox effectively.

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