====== Sendmail Config ====== ===== Add a SmartHost, the correct way with m4 ===== Open your configuration file: # vi /etc/mail/sendmail.mc Append or modify macro that read as follows :define(`SMART_HOST',`mailhost.brm.pri') If line contains word, dnl remove the dnl word. Regenerate a new sendmail.cf config file with m4 command: # m4 /etc/mail/sendmail.mc > /etc/mail/sendmail.cf Restart sendmail service: # /etc/init.d/sendmail restart ===== Add a SmartHost, the quick 'n' dirty way ===== Edit /etc/sendmail.cf file and locate the the section that begins with DS. Edit as follows:- DSmailhub.brm.pri Note no spaces You will need to restart sendmail to activate the changes made in the sendmail.cf file. \\ On AIX:- refresh -s sendmail On Solaris10:- bash-3.00# svcadm restart svc:/network/smtp:sendmail