For Google Workspace. 

Question:

We are facing deferral problem on inbound/outbound mails.

We made an inquiry then we were told to check in Google Workspace console.

How to check the email log for inbound/outbound mails?

Answer:

Google Workspace Administrator Help page shows you how to check the log.

• Message search using the mail log search

http://support.google.com/a/bin/answer.py?hl=en&answer=2618874&topic=2618873&ctx=topic

*Please check the log using such as the message-id of the target mail.

On your sending mail checking with the above log search, if the target mail is receive/send to HENNGE service successfully, please contact us.