
Email Verification & Deliverability Platform | Mailthentic
Verify email addresses and check domain health to improve campaign deliverability.
@mailthentic · X
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21 projects

Verify email addresses and check domain health to improve campaign deliverability.
@mailthentic · X

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.

Run cold email campaigns with multi-inbox sending, reply detection, and meeting tracking.
@sendmatico · X
SendMatico helps founders, agencies, and outbound teams run cold email campaigns with multi-inbox sending, follow-ups, reply detection, and deliverability tools.

Set up free business email accounts on your domain with webmail and API.
@collinsjimu404 · X
Ready to ditch gmail and yahoo emails for something professional? Claim up to 15 FREE business email accounts on your own domain ([email protected]). No card needed. Quick setup. Professional, secure, and built to grow your brand. Start now.

Unified email platform for transactional emails, marketing campaigns, and AI-powered email creation.
@_gchauhan · X
Hello Jasper! We've been building Most businesses use separate tools for: • Transactional email • Marketing campaigns with A/B testing • Mailboxes • Contacts • AI email creation • Dynamic content integration • Domain specific branding Five products. Five subscriptions. Five sources of truth. We decided to build communication as one connected system instead. combines email infrastructure, campaigns, mailboxes, contacts, domains, AI generation, and webhooks in a single platform. Would love feedback on the product, positioning, messaging, and first impressions.

Temporary email service with AI features like translation, summarization, and Q&A.
ChatTempMail — AI 驱动的临时邮箱服务

Create richly formatted posts and publish them instantly to the web with a single click.
@masafumiohta · X
I’ve been using Windows as my daily use lately despite I have been using Mac/Linux for a long time, but I keep running into all sorts of issues, so I’ve been fixing them vibe-coding with Claude. I’m gonna dump all that stuff on This blog is fully automated with Claude Code, from coding all the way to reporting. It’s nothing special—anyone could do it—but it’s actually pretty fun once you try it. The only annoyed is that it burns through tokens like crazy. Most of the tips are pretty interesting, so I hope you find them useful.

All-in-one platform for managing and automating outreach campaigns.
@X_LetsConnect · X
- all-in-one outreach platform.

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

Warms cold domains for bulk email with Google Workspace sender verification, seed lists, and open/click tracking.
@MarkZofMarkZ · X
Marketers who email - - still testing it, but I could use some help to validate.

Email and productivity assistant for Google Workspace that answers with interactive widgets you approve.
u/narin_luangrath · Reddit
Solo-built an email agent where the AI literally cannot act on its own — the architecture is the pitch Building SmolMail ( https://smolmail.com ) solo for a few months. Two build decisions turned out to be the whole product: Widgets over prose. Every answer renders as a real component (calendar grid, email list, editable forms) and the model only picks the props — so the UI can't hallucinate. The calendar shows what the Calendar API returned, period. No write tool, on purpose. Email

Browser extension that customizes webpages with text prompts for styling, layout, and feature changes.
alentodorov · HN
built it in spring 2026--ready to share today. use opus 4.8 to create css and js snipptes to style the websites you visit the way you want. make nytimes more print-like, hn more matrix, or just replace any mention of AI with the :poop-emoji" -- your call.