Recipient Data Gathering

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To understand envelope journaling, you must understand how recipient data is gathered and the types of recipients that are gathered. When envelope journaling is enabled, Exchange gathers the P1 recipient data for every recipient that a message will be delivered to. This includes data for:

  • All recipients that are added to a message because of a distribution list expansion or another recipient forwarding rule.

  • A distribution list recipient that is being forwarded to another server for expansion, including the distribution list recipient itself.

  • Recipients that are forwarded to an SMTP virtual server configured as an alternative server. (Recipients that are forwarded to an alternative server are those that would otherwise cause an NDR because of having addresses that are not found in the directory but fall under an authoritative domain from the recipient policy configuration.)

This does not include data for:

  • Recipients that cause an NDR.

  • Distribution list recipients that were expanded locally and subsequently removed from the recipient list.

  • Journal recipients.

Included recipients

  • Mailbox and public folder recipients

  • Contacts

  • One-offs: recipients that are not included in the global address list

  • Alternative recipients

  • Distribution lists and query-based distribution list members

  • Unexpanded distribution lists and query-based distribution lists being forwarded for expansion

  • Alternative server recipients

Excluded recipients

  • Distribution list and query-based distribution list names. Although excluded from the actual envelope report, if distribution list and query-based distribution list names were entered on the To or Cc line of the original mail, they will be included in the message that is attached to the envelope message. However, if the distribution list or query-based distribution list is configured to expand on a separate server from the sender's server, the envelope message derived from the sender's server will include the name of the distribution list or the query-based distribution list. In this case, a separate envelope message is derived from the expansion server, as described earlier in this guide.

  • Journal recipients.

When multiple address types are available, the address is selected in preferential order by type as follows:

  1. SMTP

  2. X.400

  3. Other, or Custom Address

  4. LDAP distinguished name

  5. Legacy DN