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

Secure GitHub pull requests with hardware authentication and OTP verification.
jallmann · HN
> want without a PR process that requires hardware authentication or proof of presence Just curious, what do you use for this? I built OTP Guard [1] a few years ago for exactly this problem, although I haven't seen any alternatives in the space. Does GitHub have something built-in now? The original framing was more "local malware compromising your GitHub account" ... it never occurred to me that the malware could be a LLM. I really should update the page. [1] https://otpguard.com

Free AI studio for writing emails and letters without signing up.
maurice_van_de_wouw · Product Hunt
OutreachForce AI Free AI Email & Letter Studio - No Login Required

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

Free collection of 12 online generators for QR codes, passwords, business names, quotes, and more.
@Oriam216 · X
Just launched AltosTools 🧰 — 12 free online generators in one place. QR codes, passwords, business names, price quotes & more. No sign-up, works on mobile, runs 100% in your browser. Try it 👉 #buildinpublic #freetools #indiehackers

Manage customer emails, messages, and context in one shared inbox for support teams.
@adultish_gavino · X
Vibe coding gets you to a demo fast. The first customer question is when it becomes a real product. Now you need a shared Inbox, website messages beside email, customer context, and no duplicate replies. I kept rebuilding that layer. So I made Minnas.

Connect Gmail accounts to automate email sending and track opens and clicks.
@KenziChenBuilds · X
Hey! Developer behind Always looking for feedback to make it better.

Rewrite your emails to sound appropriate for different cultures and audiences.
u/Constant_Extreme7408 · Reddit
I built a Chrome extension that rewrites emails for different cultures — would love feedback on the website Hey everyone, I've been building MailPolish — an AI tool that polishes emails, letters, and texts so they sound right for different cultures. Not just translation, but actually adapting tone, formality, and etiquette (e.g., a direct "Please send this immediately" becomes softer and more indirect for Japanese business culture). It works as a Chrome extension inside Gmail, a Gmai

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

Organize bookmarks, notes, voice memos, and screenshots with AI summaries and password vault.
@aliuagon_ · X

Automatically re-engage dormant app users with push notifications and email.
@thepublicdev · X
Helps indie builders retain users through targeted strategic messaging

Real email inbox, login automation, OTP handling, and credential vault API for AI agents.
u/kumard3 · Reddit
shipped delivered/bounced/replied webhooks, and deliberately left out open-pixel tracking an agent that sends mail needs to know what happened to it. i had delivery and bounce events sitting in the database the whole time, they just never got delivered anywhere useful, so an agent sending mail had no way to react to a bounce or know if anyone replied. shipped webhooks for the real lifecycle: delivered, bounced, complained, replied. an email.replied event fires specifically when an inbound