Please help me to resolve to resolve the following query.
in my network there are two mail servers
1. lotus notes server
from lotus notes we are receiving mails at exchange, but from exchange mails are not delivered to lotusnotes.
these servers are connected in LAN and are in same VLAN.
I tested ping - successful (from both the servers to each other)
telnet - successful (from one server to other server)
please let me know if there are any tools or any debug commands to check this issue.
please provide me commands for CatOS and IOS both.