postfix Session
-- Install
dnf install -y postfix mailx
-- Cfg
vi /etc/postfix/main.cf
# SCCU Custom Values
myhostname = servername.sccu.com
myorigin = sccu.com
relayhost = [smtp.sccu.com]
inet_interfaces = loopback-only
mydestination =
--> Leave mydestination blank
-- Enable / Start / Verify
# Enable Postfix at boot
systemctl enable postfix
# Start or restart Postfix
systemctl restart postfix
# Verify status
systemctl status postfix
# Verify configuration has no obvious errors
postfix check
-- Final Checks
echo "Postfix Test" | mail -s "OAS-P02 Email Test" michaele@sccu.com
postqueue -p
Sendmail Session
service sendmail status
=============================
-- Purge
cd /var/spool/mqueue
rm -f qf*;rm -f df*
cd /var/spool/clientmqueue
rm -f qf*;rm -f df*
=============================
-- sendmail
vi /etc/mail/sendmail.mc
define(`SMART_HOST', `relay.sccu.local')dnl
MASQUERADE_AS(`sccu.com')dnl
FEATURE(masquerade_envelope)dnl
cd /etc/mail
make
=====================================================
-- Status
watch mailq
tail -f /var/log/maillog
sendmail -bp
mailq| grep "("
service sendmail status
oracle> mail -s "Email Test $HOSTNAME" michaele@sccu.com < /dev/null
=================================
-- norad
10.200.12.35 \
michael \
-- sysAlert
usrSwapSize=8192
================================
-- STUFF
vi /etc/cron.d/0hourly
vi /etc/crontab
DNATEST Node 1
select instance_name from v$instance;
dnatest2
