They
can also be user addresses, program names, or filenames. An :include: file can also
contain additional :include: lists:
engineers ?†? to an alias
biff, bill@otherhost ?†? to two recipients
|"/etc/local/loglists thislist" ?†? to a program alias
/usr/local/archive/thislist.hist ?†? to a file
:include:/yet/another/file ?†? from another file
Beginning withV8.7 sendmail, th eTimeOut.fileopen option (?§24.9.119.9 on page
1102) controls how long sendmail should wait for the open to complete. This is useful
when files are remotely mounted, as with NFS. This timeout encompasses both
this open and the security checks described next. Note that the NFS filesystem must
be soft-mounted (or mounted with the intr option) for this to work.
This is the Title of the Book, eMatter Edition
Copyright ?© 2007 O??™Reilly & Associates, Inc. All rights reserved.
488 | Chapter 13: Mailing Lists and ~/.forward
Beginning withV8, sendmail checks the file for security. If the controlling user is
root, all components of the path leading to the file are also checked.* If the set-user-id
bit of the file is set (telling sendmail to run as the owner of the file), sendmail checks
to be sure that the file is writable only by the owner. If it is group- or world-writable,
sendmail silently ignores that set-user-id bit. When checking components of the path,
sendmail will print the following warning if it is running as root and if any component
of the path is group- or world-writable:
WARNING: writable directory offending component
This process is described in greater detail under the -d44 debugging switch(?§15.
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