Resolver Failover
Enterprise operational reference for resolver failover in a PowerMTA environment.
Production review required. Validate every directive against your licensed PowerMTA release, traffic model, provider policies and security controls.
Purpose
Enterprise operational reference for resolver failover in a PowerMTA environment. This control should have a named owner and a measurable validation method.
Recommended record
# Resolver Failover
# Document the value, owner, evidence source and rollback condition.
name: resolver-failover
owner: mail-operations
status: reviewed
validation: required
rollback_trigger: documentedHow to use it
- Define the scope and traffic boundary.
- Record the current baseline and evidence source.
- Set a review schedule and change owner.
- Validate after every related configuration change.
Common mistakes
- Leaving the value undocumented.
- Using one global value for unrelated customers or providers.
- Changing the control without recording a rollback condition.
Validation
- Owner assigned
- Scope documented
- Evidence source available
- Review date recorded
- Rollback condition tested