My Cat Is Fat

Tools, Methods & Processes

4 curated tools for developers, designers & indie hackers

Filtered by tag: smtp

Stalwart

Open-source mail & collaboration server with JMAP, IMAP, SMTP and anti-spam

Open Source

SMTP testing tool for developers with modern web UI and API

Open-source email platform for transactional and marketing emails

Free

Your free diagnostic tool for email, DNS and network problems

Missing your favorite tool? Let us know — we're happy to add fitting tools to the collection!