Unlock The Inbox has developed a FREE chrome extension that allows you to quickly
analyze any website you are visiting for email deliverability. The extension quickly
checks to see if that website is listed on any blacklists
and has any
set up in DNS.
Below is an image of the Email Deliverability Checker extension in action:
Each of the results see above, if clicked, will take you to our website and perform
a more detail analysis.
You can download the extension in the Chrome Web Store: Here
Source: Unlock The Inbox