SPF and DMARC Records
# SPF TXT record
v=spf1 +a +mx ~all
# DMARC TXT record at _dmarc.yourdomain.com
v=DMARC1; p=none; rua=mailto:dmarc@yourdomain.com💡 Test deliverability at mail-tester.com — send a test email and get a 0-10 score with detailed analysis.