slonik

https://github.com/sidemail/sidemail-mcp-server

Hi everyone! I’m Kristyna, building Sidemail.My goal is to make emails as easy as possible for startups.Made an email MCP server (open-source). It enables programmatic setup of transactional email sending, writing newsletters, managing contacts, and configuring sending domains – all from MCP agent mode in VS Code, Claude, Cursor, Windsurf, and other MCP clients.That means you can say things...

https://sidemail.io/

Hi all! I'm Kristyna, maker of Sidemail. I'd love to share with you what we've been building.We built Sidemail because sending emails from a SaaS app was way harder than it should be.Sidemail is made for developers and teams that want one simple place to handle SaaS emails with reliable delivery and no bloat.It has: - Everything for creating, managing and delivering SaaS emails in one...

https://sidemail.io/tools/dmarc-checker/

Mailbox providers are tightening up sender requirements for authentication, making DMARC crucial for bulk sending.I made a DMARC validator where you can check out whether your setup is valid or needs any improvements.It looks up _dmarc.<domain>, parses the TXT record, and displays policy (p/sp), alignment (adkim/aspf), reporting (rua/ruf), and options like pct, fo, ri, etc. It also gives...

https://sidemail.io/tools/email-validator/

Hi HN – Kristyna here.I built this free, online email validator and would love to share it with you.What it checks:- Syntax – Confirms correct proper email format. - Domain & DNS – Verifies the domain exists and resolves. - MX records – Verifies the domain can receive mail. - SMTP handshake (optional) – Checks the mail server accepts the recipient (no message is sent). - Disposable domains...

https://sidemail.io/tools/saas-churn-calculator/

Hi HN!Kristyna here.I built this free churn calculator and would love to share it with you.It calculates SaaS churn (including retention, net growth rate, GRR, NRR) and generates a nice shareable JPG from the results that you can use for investor updates, standups, or social posts.Why this calculator?- It calculates churn and other business metrics fast and without mistakes. - With 1 click you...