Developer Tools8 hours ago
SpamCrackers — Free SPF, DKIM & DMARC Checker & Email Signal Standard
Grade a domain's email protection: check SPF, DKIM, DMARC, and MX records in your browser.
@domainfyrbrand · X
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Grade a domain's email protection: check SPF, DKIM, DMARC, and MX records in your browser.
@domainfyrbrand · X
Protect your email and calendar by requiring unknown senders to solve a CAPTCHA or pay a fee.
felixdoerp · HN
Hi HN, The one thing AI reliably does is generate noise. Half the tools I see launch are just machines for producing more noise across more channels. And people are starting to see this in the form of emails in their inboxes as spam filters are struggling. There used to be a useful signal in email: the effort a sender put into customizing a message was a rough proxy for how relevant it actually was. AI killed that. Now it's customized slop with the appearance of effort with none of the cost. It is painful that the open internet / open channels have been abused like this. Captchainbox applies the idea of proof-of-work to email. If a sender is willing to do a bit of work to reach you, the message is more likely to be worth your time and the sender more likely to be real. The work is a traditional captcha. You can also set a pay-to-deliver amount if you want more friction. The proceeds of the delivery payment after transaction costs go to the Internet Archive and the EFF. The tool curr
Verify email addresses and check domain health to improve campaign deliverability.
@mailthentic · X
Autonomous DMARC, SPF, and DKIM configuration to prevent domain impersonation and protect email deliverability.
@okamigenshin · X
Try Authex, for securing your domain and email autonomously.
Generate disposable email addresses instantly to protect your privacy from spam.
@LateNightTo8xx · 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.
Email verification API with real-time validation via syntax, domain, MX, and SMTP checks.
@sachinbapure · X
AI contract reviewer that flags risks and tracks signatures directly from your inbox.
@raeezatameez · X
dropping mine - would love your take!
AI tool to detect online scams, phishing attempts, suspicious emails and malicious links.
@ZiyadL6 · X
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
Write email templates as React components and automations as TypeScript, then deploy with your app.
@stewartjarod · X
Manage email, website messages, and customer context in one shared inbox for small 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.