Core configuration
process-x-envid
Operational reference for the PowerMTA process-x-envid directive or configuration concept.
Purpose
process-x-envid participates in core configuration. Use it only after identifying the configuration scope, the message population affected, and the evidence that will confirm the change worked.
Syntax pattern
# Syntax pattern — verify exact form in your licensed release
process-x-envid VALUEScope and precedence
Confirm whether the setting is global, source-scoped, VirtualMTA-scoped, domain-scoped or pattern-selected. More specific policy can override a broad default, and overlapping matches can make the effective result different from the line being inspected.
Operational example
# Documentation example
# Replace placeholders and validate locally
process-x-envid EXAMPLE_VALUEProduction guidance
- Record why this setting exists and which traffic it controls.
- Avoid copying values from unrelated infrastructures.
- Validate configuration syntax before reload.
- Review queue growth and remote SMTP responses after deployment.
- Keep a rollback copy of the last validated configuration.
Common mistakes
- Using the directive in the wrong scope.
- Assuming an example value is a universal recommendation.
- Creating overlapping rules whose precedence is unclear.
- Changing delivery policy without monitoring provider responses.
Validation
Confirm the effective routing or delivery result using a controlled test, configured logs, accounting output and the final received headers. Syntax acceptance alone does not prove the intended policy was selected.