I was configuring exchange server 2013. But while sending test mails getting error "unable to relay". I have tested using telnet.
Thanks in advance
Windows – unable to relay – exchange server 2013
exchangewindows
Related Topic
- Exchange 2013 Internal Relay via Smart Host
- Outlook 2013 does not connect to Exchange 2013
- Exchange 2013 OOF not working for migrated accounts
- Only allowing authenticated user on host to relay emails to external address in Exchange Server 2013
- Office 365 Exchange – Is Open Relay Enabled by Default?
- Forwarding emails from postfix to exchange server
Best Answer
Use the Exchange Admin Center to create a Receive Connector for whichever services need to send email through your mail server.
Configure permissions as needed and specify the IP addresses/range for the sending hosts.