Enforcing strict SPF, DKIM (1024/2048-bit), and DMARC alignment on all outbound TCP/IP streams.
Mandatory Opportunistic TLS 1.2/1.3 encryption required for all peer-to-peer SMTP handshakes.
For immediate mitigation of unsolicited traffic or to submit RFC-compliant forensic reports, contact our network operations center at: postmaster@www.coreysportfolio.com