Postal
Postal is an open-source, feature-rich mail delivery platform for sending and receiving email. Complete SMTP server with a web interface, delivery tracking, bounce handling, and REST API. Replace SendGrid and Mailgun with your own infrastructure.
- Location
- London, UK
- Stage
- Bootstrapped
- Founded
- 2017
- Category
- Open Source
- Funding
- Bootstrapped
- Team
- 1-10
Funding figures as of Jul 2025 · not independently verified
Founders of Postal
- Adam Cooke
Frequently asked questions
What does Postal do?
Postal is an open-source, feature-rich mail delivery platform for sending and receiving email. Complete SMTP server with a web interface, delivery tracking, bounce handling, and REST API. Replace SendGrid and Mailgun with your own infrastructure.
Where is Postal based?
Postal is based in London, UK.
When was Postal founded?
Postal was founded in 2017.
How much has Postal raised?
Postal is bootstrapped. Funding details have not been disclosed.
Who founded Postal?
Postal was founded by Adam Cooke.
How Postal would pitch themselves
○ Auto-generated01Target customer
Developers + open-source communities + enterprises wanting an OSS-first tool in this category, with optional commercial support.
02Problem they solve
Postal is an open-source, feature-rich mail delivery platform for sending and receiving email. Complete SMTP server with a web interface, delivery tracking, bounce handling, and REST API. Replace SendGrid and Mailgun wi… The category has historically been served by tools that miss the modern workflow this product is built around.
03Key differentiator
Postal differentiates on full-featured open source mail delivery server — and on being bootstrapped. The team prioritises profitability + customer-led growth over VC-fuelled scale. Founded by Adam Cooke.
04Go-to-market strategy
Bootstrapped go-to-market — content-led growth, founder-community presence, and product-led adoption via free or freemium tiers. Profitability + customer-funded expansion over VC capital efficiency.