Developer Tools1 day 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
The full gallery
Tech stack
31 projects
Grade a domain's email protection: check SPF, DKIM, DMARC, and MX records in your browser.
@domainfyrbrand · X
Design and send targeted email campaigns for your brand, agency, nonprofit, or school.
@fwitweets · X
Verify email addresses and check domain health to improve campaign deliverability.
@mailthentic · X
Email verification API with real-time validation via syntax, domain, MX, and SMTP checks.
@sachinbapure · 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
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.
Manage and automate outreach campaigns from a centralized platform.
@X_LetsConnect · X
- all-in-one outreach platform.
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
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.
Find verified sales prospects and launch personalized email campaigns based on your ideal customer description.
@buildwitbrandon · X
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.
Unified inbox for SMS and email with AI agents that auto-respond on approved channels and smart daily briefings.
u/Forsaken_Coconut3717 · Reddit
Anyone down to test each other's tools? (socks stay on) Hey all! I've been a lurker for a number of years and I think it's finally time for me. I built a tool that I think might actually be worth something! At its core it basically unifies every customer’s texts and emails into one shared conversation and is built for setting up AI agents to run your communications right from within the platform. It has a lot of moving parts but I think it can genuinely be the next big platform for man