Beginning with V8 sendmail, for configuration files version 3 and
above (see Section 27.5),
all lines of the configuration file may have optional trailing comments.
That is, all text from the
# character to the end of the line is ignored.
Any whitespace (space or tab characters) leading up to
# is also ignored:
CWlocalhost mailhost # This is a comment from here to end of line ignored
To include a
# character in a line under V8 sendmail,
precede it with a backslash:
Note that you do not need to escape the
# in the
$ has a higher precedence, and
is interpreted correctly.