add domain Step 3 of 3: Summary Domain cloudhostweb.com Destination route hostname server.cloudhostweb.com: 587 Connection and recipient validation appears to work. In exim.conf begin routers Section: ROUTERSTART in whm spamexperts_smarthost_router: driver = manualroute domains = ! +local_domains senders = ^.*@cloudhostweb.com ignore_target_hosts = 127.0.0.0/8 #condition = "${perl{check_limits}}" # Exclude null sender messages from relaying via the smarthost #condition = ${if or {{!eq{$sender_address}{}} {!eq{$sender_host_address}{}}}} transport = spamexperts_smarthost_transport route_list = $domain 4274.smtp.antispamcloud.com::587 no_more telnet 4274.smtp.antispamcloud.com 587 begin transports spamexperts_smarthost_transport: driver = smtp # # In-case your server continues to send outbound over port 25 please add the below line port = 587 hosts_require...