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Engineering

Engineering deep dives on inbound email parsing, webhook delivery, JSON contracts, mapping, idempotency, and receiver design.

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Webhook Transformation Safety Limits: Guardrails That Matter

Webhook transformation safety limits: review expression budgets, timeout behavior, mapper failures, and the boundaries of MailWebhook’s Custom JSON controls.

Webhook SSRF Prevention Through Public Endpoint Restrictions: What Security Reviewers Should Verify

Webhook SSRF prevention through public endpoint restrictions: review URL checks, DNS validation, API coverage, and delivery-time enforcement gaps.

Webhook Signature Verification with HMAC: How Signed Delivery Speeds Up Security Review

Webhook signature verification with HMAC helps teams verify signed deliveries, document trust controls, and speed up security review for email integrations.

Webhook Security for Email Automation: The 4 Questions Every Approver Should Ask

Use four questions to review any email-to-webhook platform. They turn scattered controls into a clear security posture that technical leads can actually approve.

Pre-Signed URL Email Attachment Retrieval: A Cleaner Model for Webhook Pipelines

Pre-signed URL email attachment retrieval keeps webhook payloads lean while giving security teams a clear, time-bound control point for file access.

Email Attachment Webhook Handling: Why Files Should Travel Separately

Email attachment webhook handling works best when events carry metadata and files use a separate authenticated retrieval path for reliability and control.