OmniMessaging Functional Description 8.3

OmniMessaging Functional Description
07/22/04 Opsol Integrators Inc. Confidential and Proprietary Page 35 of 68
11.1.9 Delivery Notification Interface
OmniMessaging provides an optional delivery notification interface. This facility
can be activated via a Service Package level parameter
(DELIVERY_NOTIFICATION).
If Delivery Notification is active, all the following types of mail arriving at a local
address’s target mailbox, will cause a record to be written to a special Delivery
Notification queue file:-
• Messages sent straight to recipient address
• Messages sent to Distribution Lists / Aliases and then forwarded to
recipient address
• Non Delivery Reports
• Quota Warnings
Each queue file entry holds the following information:-
• SMTP Address
• UID
• Message Size
The Queue File can be used by external systems, e.g. to notify mobile phone
customers that messages are in their mailbox.
11.1.10 Virtual Domain Support
Supporting virtual domains, in the simplest terms, means a single
OmniMessaging instance appears to its users and the outside world as multiple
systems while to the system operators it is a single instance. This feature
allows the system administrator to configure multiple domains on a single IP
address.
One result of this is that submission addresses in one domain may be reused in
another domain and represent different addresses e.g. ([e-mail],
[e-mail]).
Each virtual domain has its own postmaster and administrator.
All virtual domains share a common message store (data base and discs used
to store message files).