Exchange 2016 – Cannot Create a ‘Frontend Transport Receive Connector’
KB ID 0001333 Problem When trying to enable an IP to ‘Relay’ though my Exchange server, I found I was unable to select ‘Frontend TransportConnector’. Solution Apparently this is a a bug first seen in CU2, the only current fix is to either create the connector as a Hub Transport connector, then convert it using PowerShell, or create the connector in the Exchange Management Shell, which is what I did....
Exchange 2019, 2016, 2013 – Allowing a Host/IP to Relay Mail
KB ID 0000891 Problem There a a few more hoops to jump through to allow a host to relay though Exchange 2013. For earlier versions of Exchange see the links below. Allow Relay from an IP With Office 365 (Exchange Online) Allow Relay from an IP with Exchange 2010 Allow Relay from an IP with Exchange 2007 Allow Relay from an IP with Exchange 2003 Allow Relay from an IP with Exchange 2000 Solution How to create a ‘Relay’...