[root@server-07 init.d]# rpm -qi sendmailName : sendmail Relocations: (not relocatable)Version : 8.12.11 Vendor: Red Hat, Inc.Release : 4.RHEL3.6 Build Date: Fri 09 Jun 2006 09:53:22 AM EDTInstall Date: Sun 20 Aug 2006 04:28:44 PM EDT Build Host: hs20-bc1-7.build.redhat.comGroup : System Environment/Daemons Source RPM: sendmail-8.12.11-4.RHEL3.6.src.rpmSize : 1150575 License: SendmailSignature : DSA/SHA1, Wed 14 Jun 2006 08:52:10 AM EDT, Key ID 219180cddb42a60ePackager : Red Hat, Inc. <http://bugzilla.redhat.com/bugzilla>Summary : A widely used Mail Transport Agent (MTA).Description :The Sendmail program is a very widely used Mail Transport Agent (MTA).MTAs send mail from one machine to another. Sendmail is not a clientprogram, which you use to read your email. Sendmail is abehind-the-scenes program which actually moves your email overnetworks or the Internet to where you want it to go.If you ever need to reconfigure Sendmail, you will also need to havethe sendmail.cf package installed. If you need documentation onSendmail, you can install the sendmail-doc package.