2 servers in london 2 in US
vpn tunnel between the servers in london say 1 server in us is unreachable and mail is queing on thi connector.
Outbound mail from Us to lonodn is fine. I can manage the us server form lonodn but cannot get the mail to flow on the connector form london ti the us .
exchange monitoring & status says the us server is unreachable from london in the us it's ok .