How do I configure Brevo (formerly Sendinblue) SMTP on WordPress?

Configuring Brevo requires installing a compatible SMTP plugin, authenticating your sending domain via DNS, and entering your Brevo API key into your site’s mail configuration.

“This is a clean setup job, the right SMTP plugin, your domain authenticated, and your API key wired in correctly. I’ll have Brevo fully connected within 24 hours for $99.”
— Jeff Bollettino, Managing Director, Ignite Conversions