Avaya Oceana® supported basic authentication for POP3 and IMAP. Under basic authentication, username and password are transmitted to authenticate users and grant them access to the email service.

Microsoft has announced the end of support for basic authentication of POP3 and IMAP on O365. The end of support affects all the customers using O365 exchange services.

Avaya Oceana® supports OAuth to enable our customers to continue to operate their email channels.