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 the shared mailbox e-mail address.
  • for pop-client/service-account option, specify the e-mail address with delegated Full Access to the shared mailbox.
• GRAPH configuration for shared mailboxes:
  • for pop-client/mailbox option, specify the shared mailbox e-mail address.
  • pop-client/service-account option, specify 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, for the address and default-from-address options, 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

The following configuration must be provided:

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