yum install -y perl wget libaio libaio-devel
dnf install -y chrony systemctl enable chronyd --now
: Replace your_server_ip , yourdomain.com , your_smtp_username , and your_strong_password with your actual server details. After editing, save the file. powermta 60r3 install
# On Rocky Linux / AlmaLinux / RHEL: rpm -ivh PowerMTA-6.0r3.rpm # On Ubuntu / Debian: dpkg -i powermta-6.0r3.deb Use code with caution.
Before typing a single command, verify you have the following: yum install -y perl wget libaio libaio-devel dnf
Using an SFTP client (like FileZilla or Cyberduck) or the scp command, upload your PowerMTA tar.gz or .deb / .rpm installer file to the /tmp directory of your server.
⚠️ PowerMTA is a commercial product. This guide assumes a valid license. Always test in a staging environment before production. For RHEL 8/9 or Rocky Linux 9, contact SparkPost support for compatibility. Before typing a single command, verify you have
/etc/pmta/ – Stores configuration files ( config , license ).
To install PowerMTA 6.0r3 (or similar versions like 5.0), you generally need a Linux VPS (CentOS 7 is widely recommended) with root access and port 25 open.