We suggest that you use these
Table 17-1. Required and recommended m4 items
Item Section Description
OSTYPE( ) ?§17.2.2.1 on page 590 Required Support for your operating system
DOMAIN( ) ?§17.2.2.3 on page 591 Recommended Common domain-wide information
FEATURE( ) ?§17.2.2.4 on page 592 Recommended Solutions to special needs
MAILER( ) ?§17.2.2.2 on page 590 Required Necessary delivery agents
This is the Title of the Book, eMatter Edition
Copyright ?© 2007 O??™Reilly & Associates, Inc. All rights reserved.
590 | Chapter 17: Configure sendmail.cf with m4
recommendations as a jumping-off point and then investigate all the m4 macros and
features that are available.
17.2.2.1 OSTYPE( ) m4 macro
Support for various operating systems is supplied withth e OSTYPE m4 command.
Every .mc file must declare the operating system with this command, and this command
must be the first in your mc file.* The available support is supplied by files in
the _CF_DIR_/ostype directory. A listing of those files looks something like this:
a-ux.m4 bsdi2.0.m4 hpux9.m4 openbsd.m4 solaris2.ml.m4
aix3.m4 darwin.m4 irix4.m4 osf1.m4 solaris2.pre5.m4
aix4.m4 dgux.m4 irix5.m4 powerux.m4 solaris8.m4
aix5.m4 domainos.m4 irix6.m4 ptx2.m4 sunos3.5.m4
altos.m4 dynix3.2.m4 isc4.1.m4 qnx.m4 sunos4.1.m4
amdahl-uts.m4 freebsd4.m4 linux.m4 riscos4.5.m4 svr4.m4
bsd4.
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