Software Engineer II - Inline Mailflow

📋 Description Design and implement core SMTP relay components (MTA, scalability, IP mgmt, encryption, DMARC) Co-build production relay with infra engineers, ramp to full ownership by product maturity. Collaborate with PMs/Architects to translate requirements into reliable inbound/outbound relay configurations. Own/operate tier-0 mail flow services handling high-volume enterprise email with on-call rotations. Contribute to design discussions on relay integration with inline products and Mail Flow architecture. Contribute to knowledge sharing, runbooks, and professional development.