How to decide whether to continue transactional emails?

Transactional email continuation criteria:

Continue transactional if:

Separate IP from marketing

Separate subdomain with isolated reputation

Transactional metrics remain healthy

Business-critical (passwords, receipts, confirmations)

Stop or limit transactional if:

Shares infrastructure with affected marketing

Transactional also showing problems

Blocklist affects all sending

Mitigation options:

Throttle volume if continuing

Monitor closely for contamination

Have backup sending path ready

Transactional streams are high-value and high-engagement. Protect them from marketing reputation problems.

Essential cargo may still ship if using clean vessels and routes.