HP-UX Mailing Services Administrator's Guide

Mailing Services Overview
The Sendmail Utility
Chapter 1 35
gBJ2va 02544 5 Wed Dec 18 21:57 root root
/var/spool/mqueue/g2 is empty
/var/spool/mqueue/g3 is empty
Total Requests: 0
An efficient queue file-naming system is also being provided in this
release. The algorithm used to name files ensures that the names will be
unique for 60 years. The queued items can be moved between queues
with ease.
Default Client/Server Operation
This section describes the operation of Sendmail servers and clients.
Figure 1-2 shows a Sendmail server called mailserv and a Sendmail
client called mailclient in the company.com domain. On mailclient,
the SENDMAIL_SERVER_NAME in the /etc/rc.config.d/mailservs file is
set to mailserv.company.com. user1 is a user on mailclient.
Figure 1-2 Sendmail Client-Server Operation
Outgoing mail from user1 can be local mail that is intended for any user
on mailclient. Local mail is forwarded to mailserv; you specify this by
setting the DH macro entry in the /etc/mail/sendmail.cf file on
mailserv
mailclient
user1
company.com Domain
Local mail to/from
Outgoing remote mail from
user1@mailserv.company.com
Incoming remote mail to
user1@mailserv.company.com
Incoming remote mail for
user1@mailclient
mailclient users
Internet