Came across one issue that EDGE Server is not sending mails to Smart host as Smart host not accepting mails from the EDGE Server.
In Event EDGE Server, noticed the  Certificate validation failure and Get-Exchangecertificate showed that Status: RevocationCheckFailure for … Continue Reading
Problem Scenario:
Mails are not reaching to edge servers after properly configured Connector towards Edge server as well as receive connector on Edge server for Hub Transport server. Resolution:
Found the Access denied error for SMTP Connections of hub transport … Continue Reading