Upgrade and downgrade instructions
To upgrade MailerQ from version < 5.8 to 5.8+
Debian/Ubuntu:
sudo apt update
sudo apt install -y mailerq
sudo mailerq --repair-database
sudo systemctl restart mailerq
CentOS/RHEL:
yum update
mailerq --repair-database
systemctl restart mailerq
To downgrade MailerQ from version 5.8+ to 5.7
Debian/Ubuntu:
sudo apt-get install -y --allow-downgrades mailerq-5.7
sudo mailerq --repair-database
sudo systemctl restart mailerq
CentOS/RHEL:
yum remove mailerq-5.8
yum install mailerq-5.7
mailerq --repair-database
systemctl restart mailerq