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Email Providers

Email provider configuration lives in apps/strapi/config/plugins/email.ts.

Mailgun has priority. Mailtrap is the development fallback. Selection is based on which environment variables are present.

Mailgun​

Provider: @strapi/provider-email-mailgun. See also the Strapi Email docs and Mailgun documentation.

Production default:

MAILGUN_API_KEY=
MAILGUN_DOMAIN=
MAILGUN_EMAIL=
MAILGUN_HOST=https://api.eu.mailgun.net

MAILGUN_EMAIL is used as both from and reply-to.

Mailtrap​

Provider: @strapi/provider-email-nodemailer, using Nodemailer. See also the Strapi Email docs and Mailtrap documentation.

Development/testing provider. It captures emails in a Mailtrap inbox without sending them to real recipients:

MAILTRAP_USER=
MAILTRAP_PASS=
MAILTRAP_HOST=sandbox.smtp.mailtrap.io
MAILTRAP_PORT=2525
MAILTRAP_EMAIL=

MAILTRAP_EMAIL is used as both from and reply-to.

Restart Strapi after changing email provider environment variables.

Account Activation​

The afterCreate lifecycle in apps/strapi/src/lifeCycles/user.ts sends an account activation email only when CLIENT_ACCOUNT_ACTIVATION_URL is set.

If email delivery fails, the error is logged and registration continues.