Infonaligy Proofpoint Email Security vs Red Sift OnDMARC: Side-by-Side Comparison (2026)

Short answer

SMB and mid-market teams without dedicated email security staff should choose Infonaligy Proofpoint Email Security for its managed service model, which offloads detection and response to Infonaligy's team rather than requiring internal tuning. The platform covers the full email attack surface,phishing, BEC, compromised accounts, malicious URLs,with particular strength in behavioral and ML-based detection that catches account takeovers most signature-only tools miss. Enterprise buyers with large security operations centers and the budget to run Proofpoint independently will find this managed wrapper unnecessary; you're paying for convenience and training integration, not additional detection power you couldn't get by staffing it yourself. SMB and mid-market teams without dedicated email security staff should pick Red Sift OnDMARC because it automates DMARC, SPF, and DKIM enforcement without requiring DNS expertise to implement. The platform handles policy tuning and enforcement across multi-domain environments, which means your team can protect brand-spoofing attacks without learning authentication protocols inside out. Skip this if you're an enterprise with 500+ domains and existing Proofpoint or Mimecast infrastructure; OnDMARC's strength is simplicity for smaller deployments, not replacing mature email gateways.