What inbox tracking tools are available and what are their origins?
Summary
What email marketers say8Marketer opinions
Email marketer from EmailToolTester reviews various email testing tools, including Litmus and Email on Acid. The focus is on testing email rendering and deliverability, but it does not go into the history or origins of these tools.
Email marketer from Stack Overflow suggests using a seed list approach with tools like GlockApps to determine inbox placement. Mentions that this approach involves sending emails to a list of test accounts at various ISPs and then analyzing where the emails land. Origins of GlockApps aren't covered.
Email marketer from G2 lists several email deliverability tools including GlockApps, MailMonitor, 250ok (Validity), and Sender Score. The article does not focus on the origins but more on the features and benefits of each tool for monitoring inbox placement.
Email marketer from Reddit mentions using Litmus for email testing and deliverability checks. They say Litmus is good for rendering across different email clients and highlighting potential deliverability issues before sending. No origin information given.
Email marketer from Reddit recommends using a combination of tools like MXToolbox and GlockApps for deliverability monitoring. They suggest MXToolbox for checking blacklists and GlockApps for inbox placement testing. No historical context is provided.
Email marketer from emailmarketingforum.com recommends using a free tool like Mail-Tester.com to check email deliverability. Provides advice on analysing your message for spam related errors. Does not detail any of the other tools origins.
Email marketer from emailvendorselection.com shares tips on evaluating email vendors, including assessing their deliverability monitoring capabilities, but do not focus on the history of email deliverability tools themselves.
Email marketer from MailerCheck mentions tools like GlockApps and MailMonitor for inbox placement monitoring. It primarily focuses on how these tools help identify deliverability issues rather than their origins.
What the experts say9Expert opinions
Expert from Email Geeks knew Yesmail had outsourced mail to Adobe.
Expert from Word to the Wise explains that 250ok has a tool for looking at DMARC data, to give an overview of who is sending mail using your domain.
Expert from Spam Resource shares about a predictive delivery tool called Habeas, and how it works with ISPs. It allows an automated way of whitelisting.
Expert from Email Geeks shares that Inboxable has been around a while.
Expert from Spam Resource shares a list of other deliverability monitoring vendors. Includes categories of seed based monitoring, panel based monitoring and reputation monitoring. Names vendors like 250ok, Validity, Litmus, Email on Acid, and more.
Expert from Email Geeks shares that David gave the impression that it wasn’t a money maker and they were going to let current customers keep using it but were just going to let it die.
Expert from Email Geeks explains that Inboxable was built by Jason Warnock as a side project, then folded into Yesmail.
Expert from Email Geeks shares that Yesmail moved most (all?) their email to Adobe a couple years back and are now selling this on the side and acting mostly like an agency.
Expert from Word to the Wise shares that 250ok acquired Return Path's competitive data product, further expanding its data footprint.
What the documentation says4Technical articles
Documentation from Email on Acid describes its features for email testing, including rendering previews, deliverability checks, and accessibility testing. It focuses on the platform's current capabilities, without detailing its origin or history.
Documentation from Mailjet highlights the importance of inbox placement monitoring and suggests using tools like GlockApps, Litmus, or Email on Acid. No specific origins are mentioned, the documentation centers around setting up and interpreting the results from those monitors.
Documentation from GlockApps explains its capabilities for monitoring inbox placement across various ISPs. It does not focus on the tool's origins, but rather on how to use its features for deliverability testing and spam filter analysis.
Documentation from MXToolbox details how to use their tools for diagnosing email server and DNS issues. It mentions their blacklist check and deliverability tools. However, it doesn't detail MXToolbox's origins or history.