PrestaShop is a popular open-source PHP e-commerce platform, strong in Europe. It sends native SMTP-based transactional emails (orders, accounts) and integrates with ESPs via modules.
Set PrestaShop's SMTP to MailKite's relay for reliable order confirmations.
A minimal, copy-paste starter. Swap in your own domain and API key.
# 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=PrestaShop Point a domain, set one SMTP endpoint, send your first email in minutes. Unlimited domains, no credit card.