Nigel Metheringham edited this page Nov 29, 2012 · 2 revisions

Q0003

Question

What does the error Child process of address_pipe transport returned 127 from command xxx mean?

Answer

It means that when a transport called address_pipe was run to pass an email message by means of a pipe to another process running the command xxx, the return code from that command was 127, which indicates some kind of error (the success return code is 0). The most common meaning of exit code 127 is that when Exim tried to run the command xxx, it failed. One cause of this might be incorrect permissions on the file containing the command. See also `../Q0026`_.


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