That is not actually correct.
Actually, it IS.

The passwd manpage on Linux (Debian) and Solaris do not list the --stdin switch. Quite possibly you are running some system that supports it, but that DOES NOT make what I said incorrect.

The question did not define which operating system the machine he is using actually runs, but it's far more likely that it doesn't support --stdin that that it does.

In reply to Re^3: Programmatically Adding E-Mail Accounts by matija
in thread Programmatically Adding E-Mail Accounts by rjahrman

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