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I just signed up a trial account for "Microsoft Office 365 Trial (Plan P1)" and planned to setup trial users for a handful of 5 accounts to use Office 365 out of the current hosted 20 POP accounts.
I am not able to send mails to the users which are currently not in the trial. How do I setup the Office 365 trial domain as non-authoritative so that unknown users can be routed back to the POP server?
Thanks in advance.
I understand that you would like to keep some of the users using the current POP3 mail service, and the others using Exchange Online. To achieve this goal, you need to use simple domain sharing for email. For detailed information, please refer to the following article:
Although the above article is for SMTP email addresses, it also applies to POP3 email addresses.
How is everything going? We’d appreciate an update on the status of the issue.
Yes, Mandy thanks. Your article resolved my issue.