OOF external not delivered
Issue: Although out of office is set to internal and external it is not sent to external emails. Reasons: Smart host issue, that blocks the OOF message. Solution Created new send connector with the mx record: > New-SendConnector -Name "to Internet" -Usage "Internet" -SourceTransportServers "EX01-2016" -AddressSpaces ("SMTP:*;1") -IsScopedConnector $False -UseExternalDNSServersEnabled $false Then through ECP > Mail Flow > Send Connectors Deactivated the smart host send connector and activated the new MX record connector. Made sure mail flow works and tested OOF, it worked. Other information: - Checked the setting for OOF by Get-RemoteDomain | fl DomainName,AllowedOOFType,AutoReplyEnabled,AutoForwardEnabled Get-MailboxAutoReplyConfiguration -Identity "mailbox" | fl Get-CASMailbox -Identity <User> | fl EmailAddresses, Ews* ...