Hello all.
I have a single domino server which handles our external and internal email. I have enabled the above setting in the smtp inbound controls. However, i have a xerox scanner/copier (Document Centre C240) that cannot send emails through the domino server when this setting is enabled.
The scanner ip is excluded from anti-relay checks. The “verify sender domain in dns” is enabled. These ip’s are not allowed to connect to the server…
[192.168.0.20-255];[192.168.1.];[192.168.2.]
The scanner ip is 192.168.0.9
As soon as i disable the “verify hostname” it works okay. Therefore, domino must be able to resolve the senders domain. I have checked that the hostname of the scanner is reachable via dns and has a reverse pointer (?) record.
Any ideas why it cannot resolve the hostname? Or some pointers in the right direction? Or is this a question for Xerox?
Regards
Ian.