Configure shared mailbox for Microsoft Exchange Online

Overview

ESJ allows to use Microsoft Exchange Online shared mailboxes for the following protocols:

• Inbound: IMAP, EWS, GRAPH
• Outbound: SMTP, EWS, GRAPH

Configuration specifics for ESJ

Inbound e-mails

• IMAP, EWS configuration for shared mailboxes:
  • for pop-client/mailbox option, specify shared mailbox e-mail address
  • for pop-client/service-account option, specify e-mail address with delegated Full Access to the shared mailbox
• GRAPH configuration for shared mailboxes:
  • for pop-client/mailbox option, specify shared mailbox e-mail address
  • pop-client/service-account option must be an empty string (only client credential grant is supported for GRAPH)

If Auto Acknowledge or Auto Response functionality is planned to be used, for “pop-client” options “address“ and “default-from-address“ specify the the same value as in mailbox option

Outbound e-mails

• Configuration for shared mailboxes for all supported protocols (IMAP, EWS, GRAPH):
  • for smtp-client/user option, specify e-mail address with delegated Full Access to the shared mailbox
• Additionally, GRAPH configuration for shared mailboxes:
  • smtp-client/allow-delegate option must be set to true

The “FROM” address in outbound emails must have the value of shared mailbox. The “FROM” address for outbound emails can be assigned either by agent (using the configuration of Business Attributes “E-mail Accounts“) or by a strategy in “Send” block.

Configuration specifics for Microsoft Exchange Online

Following configuration must be provided:

1. For shared mailbox go to the “Delegation” tab
2. Open “Read and manage (Full Access)“
3. Add the user that are to be used in pop-client/service-account and smtp-client/user.