Email Security & Authentication Expert Needed (SPF, DKIM, DMARC Audit)

I am looking for an experienced email security specialist to audit and improve my domain's email authentication and protection against unauthorized email spoofing. Scope of Work: - Review and audit current... (Budget: $200 - $300 SGD, Jobs: DNS, Email Campaign, Email Marketing, Internet Security, Network Security, Risk Assessment, Risk Management, SMTP, Technical Documentation, Web Security)