Avoiding the Dutch spam folder is non-negotiable. First, ensure strict AVG/GDPR compliance with clear, documented opt-ins. Use a recognizable “From” name and authentic subject lines—no clickbait. Most importantly, maintain impeccable list hygiene. Sending to unverified, outdated emails guarantees high bounce rates, which internet providers flag as spam. Partner with B2C Database to st... https://www.b2cdatabase.co/netherlands-email-list/