Email capabilities

Accepts SMTP

Connection methods

SMTP
SDK

Flask is a lightweight Python framework. Email uses the Flask-Mail extension (SMTP) or direct ESP SDK calls.

Connect Flask to MailKite

Point Flask-Mail at MailKite's SMTP relay (smtp.mailkite.dev), or call the Python SDK directly for API mode. See /docs/integrations/flask.

Read the full setup guide

Point Flask 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=Flask

Read the full setup guide

Email tools

Commonly paired with Flask

MailKite

Connect Flask to MailKite today

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

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