To ensure remote mail servers reliably accept SMTP connections from the Sendio ESP, first determine the public IP address associated with it and then ensure a corresponding PTR record is…
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Yes. Many mail servers will not properly accept or process email coming from IP addresses that fail a reverse DNS lookup. Please review this FAQ for instructions on setting up…
Many mail servers perform a Reverse DNS lookup on the originating IP address of an incoming SMTP connection. If the result of such lookup fails or the result does not…
Access to the Console interface can be done using a keyboard and monitor connected to the unit, or using an SSH Client such as “Putty” to access the unit via…
Please contact Sendio Support. If we have SSH access there are checks we can perform to confirm the two cluster nodes are synchronizing.
No. You must shut down and power off the active server, then follow the instructions below on the secondary node: Version Mar08SU 1209 and later: Navigate to Console Interface > Cluster…
Version Mar08SU 1209 and later: Connect a crossover Ethernet cable between the two units, using their respective RED Ethernet ports on the back. Ensure that both units have the same…
Version Mar08SU 1209 and later: Service portability, the ability to have certain services running on both nodes, is possible. While not true load balancing this does allow both nodes the…
The active unit replicates data to the passive unit continuously. In a properly operating cluster, data on the the standby node of a cluster is kept synchronized at all times…
Version Mar08SU 1209 and later: Backups can be pushed to a Windows/Samba share or USB drive. Navigate to Console Interface > Backup/Maintenance and arrow down to the very bottom of the right…