IPv6 Deployment Status: latest error msg for thedwh.net

Error(s) found during latest scan: cannot connect to mx3.clearrate.com=(2607:f4b8:1:20:9050:ebff:fe22:1e03) on port 25: Connection timed out, cannot connect to mx1.clearrate.com=(2607:f4b8:1:20:213:72ff:fe59:49ea) on port 25: Connection refused, cannot connect to mx1.clearrate.com=(2607:f4