I can recommend DMARCIAN, it's free for low volume (100k messages per month) domains. They even have a special GDPR-proof site for EU domains. https://dmarcia

I can recommend DMARCIAN, it's free for low volume (100k messages per month) domains. They even have a special GDPR-proof site for EU domains. https://dmarcian.com/pricing/ https://dmarcian.com/pricing/