@table @code
@item :path
The path of the file. Defaults to the value of the @code{MAIL}
-environment variable or @file{/usr/mail/spool/user-name}.
+environment variable or the value of @code{rmail-spool-directory}
+(usually something like @file{/usr/mail/spool/user-name}).
@end table
An example file mail source: