Importing users with multiple email addresses in the proxyAddresses attribute.

The correct way to format the proxyAddresses value when you have multiple email addresses is to separate each address with a semi-colon as shown below.

SMTP:[email protected];smtp:[email protected]

The uppercase SMTP denotes the primary address, the lowercase smtp denotes the secondary addresses.

Below is an example CSV file that would update existing users, create or update their mailbox.