
WillItInbox - Email deliverability tester, X-rayed
WillItInbox email deliverability tester: send a real message, get 70+ checks, validate recipients with 12 layers, and monitor domains and DMARC.
@Willitinbox · X
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WillItInbox email deliverability tester: send a real message, get 70+ checks, validate recipients with 12 layers, and monitor domains and DMARC.
@Willitinbox · X

Create email aliases that forward to your inbox, keeping your real address private.
@me_jaythorat · X
lets you create email aliases on a free shared domain or your own custom domain, like [email protected]. Send and receive mail from them without ever leaving your primary mailbox and without revealing your real identity in case where you dont want to share your real email.

Real-time messaging powered by Cloudflare Durable Objects
@DIYregistry · X
If anyone tries to clone this repo and runs into a problem, send a message to me on I was vibe coding when I made this work & luckily created a README file. Otherwise, I'd have a hard time remembering how to repeat the steps coding a custom business email.

Create disposable inboxes via API to capture emails and OTPs for test automation.
@MailFixture · X

Email verification API with real-time validation via syntax, domain, MX, and SMTP checks.
@sachinbapure · X

Create dedicated email identities for everything you build without creating another mailbox.
@jeffmaxthon · X
Tossing mine in: . Built it because juggling 5 mailboxes nearly made me miss a real customer email.

Email inbox integrated with CRM, Slack, and Claude.
thomas_housecat · HN
I got so frustrated with all of the busywork that was building up in my email inbox that I built something better. Housecat is the first email inbox that helps you get real work done. Our email connects to the other services you actually use like your Claude, Notion, Slack, CRM and Github and makes it easy to send messages and data between them. So if you need to update the CRM with a new lead, track a Github issue or ask a question of a colleague in Slack, you can do it all from right inside of

Give AI agents real email inboxes to receive and respond to messages independently.
u/JanJanJaJa · Reddit
Give your AI agent a @yourcompany address. Shipped the domain part this week and it's free We've been building email for AI agents. The idea is that an agent gets a real inbox, not a webhook, so it can receive things and answer in thread like anyone else on your team. The piece that was missing until this week was the address itself. Every agent lived on our domain, which is fine for a demo and wrong for anything real, because a domain where anyone can grab a free address in ten seconds loo

Analyzes why your emails land in spam and provides AI-powered fixes to improve inbox placement.
ismaelyws · HN
Hey 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.

Generate disposable email addresses instantly to protect your privacy from spam.
@LateNightTo8xx · X

Automatically configure email authentication to prevent spoofing and improve inbox delivery.
@okamigenshin · X
Try Authex, for securing your domain and email autonomously.

Send a custom potato mail message to anyone anonymously anywhere in the USA through the local parcel! We are the Best Mail a Potato Service in the Industry. Don't Miss out on the W
@DerrestWilliams · X
easily the best start up out there