Frameworks

FastAPI

Async Python API framework.

Visit FastAPI Start free with MailKite

Email capabilities

  • Accepts SMTP

Connection methods

  • SMTP
  • SDK

FastAPI is a modern async Python framework. Email uses aiosmtplib for async SMTP or ESP async SDKs.

Connect FastAPI to MailKite

Call the MailKite Python SDK or aiosmtplib against MailKite's SMTP endpoint.

Point FastAPI at MailKite's SMTP relay

A minimal, copy-paste starter. Swap in your own domain and API key.

.env 
# Any app that accepts an SMTP server works with MailKite
MAIL_HOST=smtp.mailkite.dev
MAIL_PORT=587                # STARTTLS (or 465 for TLS)
MAIL_ENCRYPTION=tls
MAIL_USERNAME=mailkite       # username is ignored
MAIL_PASSWORD=mk_live_...    # your MailKite API key
MAIL_FROM_ADDRESS=you@yourdomain.com   # on a verified domain
MAIL_FROM_NAME=FastAPI
Read the SMTP relay reference
Email tools

Commonly paired with FastAPI

MailKite

Connect FastAPI to MailKite today

Point a domain, set one SMTP endpoint, send your first email in minutes. Unlimited domains, no credit card.

Start building free All integrations