Rebuild the database used by the MTA after editing /etc/aliases.
Which command is representative?
newaliases reads the aliases source and rebuilds the database used for efficient lookup.
Detailed explanation
mailqIncorrect. mailq lists the delivery queue.
Incorrect. mailq lists the delivery queue.
mail -s aliasesIncorrect. mail creates a message.
Incorrect. mail creates a message.
postfix aliasesIncorrect. This is not the standard cross-MTA alias rebuild command.
Incorrect. This is not the standard cross-MTA alias rebuild command.
newaliasesCorrect. newaliases rebuilds the aliases database.
Correct. newaliases rebuilds the aliases database.
Try it yourself
An example you can run in a temporary verification environment.
command -v newaliases || printf '%s\n' 'newaliases not installed'Expected result
newaliasesのpath、またはnot installedKey points
- Rebuild after editing
- Different from mailq
- Sendmail-compatible interface
Notes
- Environment: command pathの読取のみ
- Command output formatting can vary slightly by distribution or tool version.
- Run the example in a temporary directory or process when possible.
Foundation review
Read the scope first
Check whether the command acts on the current shell, a new process, an existing process, or a file.
Verify the observable result
Use the supplied command and compare the output with the expected result.