Badly Defined sys_errlist
Some systems define sys_errlist differently than sendmail does. On such systems, you might see a spurious warning about sys_errlist being redefined.
In general, you should never get this error. But if you are building sendmail on a system that is similar to, but not identical to, one already supported, you might see such a warning. See ERRLIST_PREDEFINED on page 112 for a description of how to use ERRLIST_PREDEFINED to fix the problem, should it occur.
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