---
title: "SMTP setup guides"
description: "Point frameworks and apps at smtp.unitpost.com."
url: https://www.unitpost.com/guides/smtp
section: "SMTP"
updated: 2026-09-13
---

# SMTP setup guides

> Point frameworks and apps at smtp.unitpost.com.

HTML hub: https://www.unitpost.com/guides/smtp

- [Send email with Nodemailer over SMTP](https://www.unitpost.com/guides/smtp/nodemailer): createTransport pointed at Unitpost — Node, Next.js, or NestJS. ([Markdown](https://www.unitpost.com/guides/smtp/nodemailer.md))
- [Send Supabase auth email over SMTP](https://www.unitpost.com/guides/smtp/supabase): Magic links and confirmations from your verified domain. ([Markdown](https://www.unitpost.com/guides/smtp/supabase.md))
- [Send WordPress email over SMTP](https://www.unitpost.com/guides/smtp/wordpress): WP Mail SMTP pointed at Unitpost instead of PHP mail(). ([Markdown](https://www.unitpost.com/guides/smtp/wordpress.md))
- [Send Auth0 email over SMTP](https://www.unitpost.com/guides/smtp/auth0): Verification, welcome, and reset mail from your domain. ([Markdown](https://www.unitpost.com/guides/smtp/auth0.md))
- [Send email from Rails over SMTP](https://www.unitpost.com/guides/smtp/rails): Action Mailer pointed at Unitpost. ([Markdown](https://www.unitpost.com/guides/smtp/rails.md))
- [Send email from Laravel over SMTP](https://www.unitpost.com/guides/smtp/laravel): MAIL_HOST in .env pointed at Unitpost. ([Markdown](https://www.unitpost.com/guides/smtp/laravel.md))
- [Send email from Django over SMTP](https://www.unitpost.com/guides/smtp/django): Django EMAIL_BACKEND pointed at Unitpost. ([Markdown](https://www.unitpost.com/guides/smtp/django.md))
- [Send email with PHPMailer over SMTP](https://www.unitpost.com/guides/smtp/php): PHPMailer SMTP mode pointed at Unitpost. ([Markdown](https://www.unitpost.com/guides/smtp/php.md))
- [Send email from Next.js over SMTP](https://www.unitpost.com/guides/smtp/nextjs): Nodemailer in an App Router Route Handler. ([Markdown](https://www.unitpost.com/guides/smtp/nextjs.md))
- [Send email from NestJS over SMTP](https://www.unitpost.com/guides/smtp/nestjs): Nodemailer inside a NestJS provider. ([Markdown](https://www.unitpost.com/guides/smtp/nestjs.md))
- [Send email from Express over SMTP](https://www.unitpost.com/guides/smtp/express): Nodemailer from an Express route. ([Markdown](https://www.unitpost.com/guides/smtp/express.md))
- [Send email from Python over SMTP](https://www.unitpost.com/guides/smtp/python): stdlib smtplib — no framework required. ([Markdown](https://www.unitpost.com/guides/smtp/python.md))
- [Send email from Flask over SMTP](https://www.unitpost.com/guides/smtp/flask): Flask-Mail pointed at Unitpost. ([Markdown](https://www.unitpost.com/guides/smtp/flask.md))
- [Send email from FastAPI over SMTP](https://www.unitpost.com/guides/smtp/fastapi): smtplib from a FastAPI dependency. ([Markdown](https://www.unitpost.com/guides/smtp/fastapi.md))
- [Send email from Go over SMTP](https://www.unitpost.com/guides/smtp/go): net/smtp with STARTTLS. ([Markdown](https://www.unitpost.com/guides/smtp/go.md))
- [Send email from Spring Boot over SMTP](https://www.unitpost.com/guides/smtp/spring): JavaMailSender properties pointed at Unitpost. ([Markdown](https://www.unitpost.com/guides/smtp/spring.md))
- [Send email from .NET over SMTP](https://www.unitpost.com/guides/smtp/dotnet): MailKit pointed at Unitpost. ([Markdown](https://www.unitpost.com/guides/smtp/dotnet.md))