I've created a web application that allows users to input an email and receive feedback on its spam score, inbox placement probability, and actionable recommendations to improve deliverability. The backend is built with FastAPI and utilizes dnspython for DNS checks, as well as some heuristics for analyzing email content. For the frontend, I used plain HTML/CSS along with Tailwind for styling. Additionally, the app features a simple inbox placement simulation to send test emails to various seed accounts. I'm contemplating making the code open source, but for now, I'm interested in feedback about the architecture and features of the app. What enhancements or additions would you suggest?
1 Answer
I think this is a cool concept! One thing to consider is how different email providers handle deliverability. For example, Gmail, Outlook, and Yahoo have distinct spam filtering rules, so a combined score might not be very informative. If you can provide a breakdown like 'Gmail: likely inbox, Outlook: check SPF', that could really enhance usability. The seed account approach for simulating inbox placement is good, but keep in mind it can get pricey over time; you might want to explore how services like Mailgun's InboxReady or GlockApps manage that.
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