Prohibited activity
Do not use Mail Service to send unsolicited bulk messages, conduct phishing or impersonation, distribute malware, facilitate fraud, harass others, violate intellectual-property rights, or break applicable law.
Security and access
Do not probe, bypass, overload, scrape, reverse engineer, or gain unauthorized access to accounts, systems, rate limits, or security controls. Responsible reports should use the official security channel.
Deliverability and resource use
Activity that damages sender reputation, causes blocklisting, degrades shared infrastructure, or unreasonably consumes resources may be throttled or suspended.
Enforcement
Potential violations may be investigated using proportionate account and service records. Responses can include warnings, limits, suspension, termination, or legally required reporting. Urgent action may be taken when necessary to protect users or infrastructure.