How reliable are GlockApps deliverability placement reports and what are the alternatives?

Marketer from Email Geeks suggests that Gmail legacy inboxes may not be great for Gmail placement and recommends looking at Gmail stats/postmaster tools to assess deliverability. If strong opens and high domain reputation are present, there's likely no need to worry.

Email marketer from Email Vendor Selection suggests that while GlockApps can be helpful for initial testing, it's essential to validate its results with real-world data and other deliverability monitoring tools to get a comprehensive view of inbox placement.

Email marketer from GMass explains the importance of inbox placement testing to ensure emails reach the intended recipients' inboxes and suggests using tools like GlockApps to monitor and improve placement rates.

Marketer from Email Geeks explains that people use GlockApps because they want to know about their email placement, and it's often the only data they have available.

Email marketer from StackOverflow advises that you should use multiple tools for email testing not just seed based testing as that is not as accurate as real user data.

Email marketer from EmailDeliverability.com advises that having a good sender reputation is the best way of getting good delivery of your emails and better results on GlockApps.

Marketer from Email Geeks warns that GlockApps deliverability placement reports tend to waste time and advises taking them with a grain of salt, as organic data is more accurate.

Email marketer from Email Geeks shares how GlockApps' results can make you feel like you have a deliverability problem. For example, the results tells them they are on 12 blocklists but when you actually run their domain through <https://multirbl.valli.org/> they are fine

Email marketer from Mailjet recommends using a combination of tools and techniques, including seed list testing (like GlockApps), feedback loops, and authentication protocols, to ensure optimal email deliverability and placement.

Email marketer from Reddit user shares anecdotal evidence suggesting that GlockApps results can sometimes be inconsistent with actual inbox placement, advising users to also monitor their sender reputation and engagement metrics directly through their ESP.

Marketer from Email Geeks suggests that seed tests provide quantitative data that is otherwise difficult to obtain, which makes people feel better and contributes to their popularity.

Email marketer from EmailToolTester lists MailMonitor, 250ok (now Validity), and Return Path (also now Validity) as alternatives to GlockApps for deliverability testing, noting that Validity offers a more comprehensive suite of tools.

Email marketer from Litmus explains that factors such as sender reputation, authentication, list hygiene, and content quality significantly impact email deliverability, and recommends focusing on these core areas alongside deliverability testing.

Expert from Spam Resource responds to a question and highlights how it is important to use data and metrics to understand and interpret your deliverability and testing results.

Expert from Word to the Wise explains that seed list testing tools like GlockApps have limitations, as they only provide a snapshot of deliverability at a specific moment and may not accurately reflect real user engagement or filtering decisions based on individual subscriber behavior.

Documentation from Google Postmaster Tools highlights its utility in monitoring sender reputation, spam rates, and feedback loop data for Gmail users, providing insights into potential deliverability issues directly from Google's perspective.

Documentation from Validity highlights their Everest platform as a comprehensive solution for monitoring and improving email deliverability, offering insights into sender reputation, spam trap hits, and inbox placement.

Documentation from RFC answers question about SPF by stating how important it is for setting up the correct email authentication to improve email reputation.

Documentation from SparkPost emphasizes the importance of monitoring sender reputation, engaging with feedback loops, and authenticating email to maintain high deliverability rates and avoid spam filters, suggesting proactive measures rather than relying solely on testing tools.

Documentation from Microsoft SNDS emphasizes the importance of understanding your IP reputation and provide useful insights into your email marketing performance