Inbox Flows
Research and compare emails from top brands & competitors
Inbox Flows launched on February 28, 2021 with 159 votes, #193 of 3,133 launches that month and more than 90% of that year's launches. The site was still online in September 2026, 5 years on.
What it does
Inbox Flows is a huge and growing library of emails from top brands that helps you research competitors and trends in your industry so you have a better idea of how to stand out in inboxes.
A growing database of thousands of emails for research, planning, and monitoring the compeition
We add 53 new emails every day, growing a free resource to inspire your nextfrom inboxflows.com
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Hello InboxAug 2026 · helloinbox.email · ▲283Hey HN, I built an email deliverability SaaS with a RAG system. It's trained on all my knowledge and hundreds of real deliverability use cases from 4+ years experience as an Email Deliverability Specialist on Upwork. It solves a frustration problem a lot of businesses are experiencing. I'm looking for feedback so let me know in the comments.
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