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Some new changes for F20
===Install and configure Postfix on a VM===
*On Vm 2 do the following:
**Stop and disable Check the status of the sendmailservice. systemctl If it show up as running or enabled, stop sendmail.service systemctl and disable sendmailit.service**Install Postfix
yum install postfix
**Edit the Postfix configuration file, /etc/postfix/main.cf, and change the following lines:
mydomain = <senecaID>.org
myorigin = $mydomain
{{Admon/important|Warning|Make sure there are no other uncommented copies of these parameters in the file.}}
**Set the name of the server that handles outgoing mail:#Edit /etc/ssmtp/ssmtp.conf#Set the mailhub parameter to use your VM2 mailhub=vm02.<yourdomain>.org **Start and enable Postfix:
systemctl start postfix.service
systemctl enable postfix.service
**Check your /var/log/messages file to see that your postfix servers started without error.***If there are any errors, correct them before continuing.
===Testing mail with the internet===
