Rails (Action Mailer)

Ruby framework — Action Mailer.

Visit Rails (Action Mailer) Start free with MailKite

Email capabilities

Accepts SMTP

Connection methods

SMTP
Gem

Ruby on Rails delivers email via Action Mailer over SMTP, sendmail, or provider gems (mailgun-ruby, postmark-rails), with previews, interceptors, and ActiveJob queues.

Connect Rails (Action Mailer) to MailKite

Point Action Mailer's SMTP settings at MailKite's relay.

Point Rails (Action Mailer) 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=Rails (Action Mailer)

Read the SMTP relay reference

Email tools

Commonly paired with Rails (Action Mailer)

MailKite Mailgun Postmark

Connect Rails (Action Mailer) 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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