Request immediate delivery of queued Postfix mail
Build a paste-ready command, then review its compatibility and effects before running it.
Compatibility
LinuxVerified for Linux using posix, bash, zsh syntax.
Operational knowledgereview due 2027-01-19
Requirementspostqueuepostqueue must be installed and available on PATH.Network accessThe target must be reachable from the current environment.
Version supportpostqueue Current supported releasesVerified for linux using posix, bash, zsh syntax; consult compatibility notes for platform-specific differences.
Expected signals(no terminal output on success)Representative successful output; values vary with the selected target and system state.
Known errorspostqueue: command not foundpostqueue is missing or is not available on PATH.
Verifypostqueue -fRe-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
01postqueueCommandRuns the postqueue stage of this one-liner.
02-fOptionKeeps following new output or selects the command-specific force/file mode.
Example input
postqueue -f
Example output
(no terminal output on success)
Postfix schedules all queued mail for another delivery attempt.
Illustrative output — exact values vary by system and data.
Official sources