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Migrating Incredible PBX 2022 to Postfix


The new Incredible PBX 2022 build for Rocky 8 comes with both SendMail and Postfix preinstalled. So it’s simple to switch gears. Here are the commands:

systemctl stop sendmail
systemctl disable sendmail
systemctl start postfix
systemctl enable postfix
sed -i 's|-c sendmail|-c postfix|' /usr/local/sbin/pbxstatus
sed -i 's|SendMail| Postfix|' /usr/local/sbin/pbxstatus
systemctl status postfix

Migrating Incredible PBX 2021 to Postfix


By default, Incredible PBX 2021 servers do not include Postfix. So here are the steps to install Postfix and remove SendMail. These steps also apply to all releases of Incredible PBX on the Raspbian platform.

apt-get update
apt-get install postfix sasl2-bin -y
choose Internet with Smarthost option when prompted in dpkg-reconfigure postfix
systemctl stop sendmail
systemctl disable sendmail
systemctl start postfix
systemctl enable postfix
sed -i 's|-c sendmail|-c postfix|' /usr/local/sbin/pbxstatus
echo "incrediblepbx.com" > /etc/mailname
sed -i 's|SendMail| Postfix|' /usr/local/sbin/pbxstatus
systemctl status postfix

To create a Smarthost account with SendGrid, see this Nerd Vittles article.