Provides Mailjet integration for Symfony Mailer.
Configuration examples:
# API
MAILER_DSN=mailjet+api://$PUBLIC_KEY:$PRIVATE_KEY@default
MAILER_DSN=mailjet+api://$PUBLIC_KEY:$PRIVATE_KEY@default?sandbox=true
# SMTP
MAILER_DSN=mailjet+smtp://$PUBLIC_KEY:$PRIVATE_KEY@default