postmark-inbound

No clear malicious behavior or data exfiltration is present. The code has significant security weaknesses if deployed as-is: missing webhook authentication, trust of attacker-controlled mailbox or ticket identifiers, potential path traversal and file overwrite through attachment names, denial-of-service exposure from large payloads and attachments, sensitive-data logging, and possible asynchronous message loss. Attachment filenames should be sanitized or replaced with generated names, paths should be constrained and validated, payloads and decoded files should be size-limited, and webhook signatures, authorization, rate limiting, replay protection, and durable queue handling should be implemented.