home | O'Reilly's CD bookshelfs | FreeBSD | Linux | Cisco | Cisco Exam  

Previous Section Next Section


Support DNS name resolution tune with confENVDEF

The sendmail program automatically takes advantage of DNS lookups or MX records to resolve addresses and canonical hostnames. If your site is a UUCP-only site (or is otherwise not connected to the Internet) and does not run named(8) locally, you should probably disable NAMED_BIND:

                            disable DNS lookups

If you are running a precompiled sendmail binary, you can use the -d0.1 debugging command-line switch (-d0.1) to determine if NAMED_BIND support is included (if it appears in the list, support is included).

    Previous Section Next Section