---
title: "SMTP relay"
description: "Send email over standard SMTP with Unitpost. Point any app — WordPress, Supabase, Nodemailer, Rails, Laravel, Django — at smtp.unitpost.com and it flows through the same pipeline as our API."
url: https://www.unitpost.com/smtp
section: "Marketing"
updated: 2026-07-31
---
# SMTP relay

> Send email over standard SMTP with Unitpost. Point any app — WordPress, Supabase, Nodemailer, Rails, Laravel, Django — at smtp.unitpost.com and it flows through the same pipeline as our API.

## Highlights

- Host: smtp.unitpost.com
- Username: unitpost — password is an API key with emails:send
- STARTTLS on 587/2587; implicit TLS on 465/2465
- Same sending gate, tracking, webhooks, and dashboard as the REST API

## Links

- [SMTP guides](https://www.unitpost.com/guides/smtp)
- [SMTP guide index (Markdown)](https://www.unitpost.com/guides/smtp.md)