Print one effective Exim configuration option
Build a paste-ready command, then review its compatibility and effects before running it.
exim -bP <configuration-option>Complete required fields to copy the generated command.
cautionrequires privileges Compatibility
Sensitive configurationHidden values are redacted for ordinary users but may be visible to an Exim administrator.
Operational knowledgereview due 2027-01-19
Requirementseximexim must be installed and available on PATH.Elevated accessReview the exact scope before using an elevated account.
Version supportexim Current supported releasesVerified for linux using posix, bash, zsh syntax; consult compatibility notes for platform-specific differences.
Expected signalsprimary_hostname = mail.example.comRepresentative successful output; values vary with the selected target and system state.
Known errorsexim: command not foundexim is missing or is not available on PATH.Permission deniedThe current identity does not have the required access.
Verifyexim -bP {{option}}Re-run the corresponding read-only inspection and confirm the intended state.Rollback noteNo universal automatic rollback is available. Capture the current state and use the tool-specific recovery procedure before applying changes.
Command breakdown
01eximCommandRuns the exim stage of this one-liner.
02-bPOptionConfigures exim with the -bP option.
03<configuration-option>ParameterA value supplied in the Fill parameters section.
Example input
exim -bP primary_hostname
Example output
primary_hostname = mail.example.com
Illustrative output — exact values vary by system and data.
Official sources
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