MAIL AND DIRECTORY MIGRATION
When a cc:Mail user receives a message from an external mail system, the name of the cc:Mail gateway that routed the message is included as part of the sender's address. If the user replies to the message, the reply is automatically routed back through the gateway and to the external mail system.
By default, when you migrate a message from cc:Mail to Lotus Notes, the gateway information in the sender's address remains unchanged; it contains the name of the cc:Mail gateway. Because Lotus Notes cannot send messages back out to an external mail system through this cc:Mail gateway, a user is unable to send a direct reply to the migrated message.
To enable Lotus Notes users to reply to messages received from external mail systems after you move their mailboxes to Lotus Notes, you can map each cc:Mail gateway to a Notes domain. During migration, the cc:Mail Domino Upgrade Service then automatically replaces the names of cc:Mail gateways in the sender's address with the names of equivalent Notes domains.
The user upgrade wizard that migrates a user's archived messages and personal addresses to Lotus Notes also uses gateway mapping information, but you configure this independently, when you send users an upgrade notification message.
Example of mapping a cc:Mail gateway to a Notes domain
The Acme corporation uses a cc:Mail gateway post office called INTERNET to route cc:Mail messages to Internet addresses and a Notes domain called INET to route Notes messages to Internet addresses. When configuring gateway mapping for migration, the system administrator at Acme maps the cc:Mail gateway INTERNET to the Notes domain INET.
Cheryl Lordan, in the IS division at Acme, has had her mail migrated from cc:Mail to Lotus Notes. In her cc:Mail mailbox, Cheryl Lordan had a message from abc@def.com, which was received through the cc:Mail INTERNET gateway. If no gateway mapping were used, and Cheryl replied to the cc:Mail message after migration, she would get an error stating that INTERNET is not a valid address, because in Lotus Notes the Internet domain is called INET. However, with gateway mapping enabled during migration, the cc:Mail gateway name INTERNET would be rewritten as INET in all addresses, making them valid Notes addresses. So when Cheryl replies to the message, it is correctly routed to the sender.
You can enable migrated cc:Mail users to reply to messages that they received from external gateways, such as the Internet, by mapping the names of cc:Mail gateway post offices to Notes domains.
During migration the cc:Mail Domino Upgrade Service automatically overwrites the name of the cc:Mail gateway in the sender's address of a message with the name of a corresponding Notes domain. Later, when a new Lotus Notes user replies to a message migrated from cc:Mail, the message is routed to the external mail system by way of the named Notes domain.
Follow these steps to map the cc:Mail gateway to the Notes domain:
1. From the Foreign Directory Import dialog box, click Advanced.
2. From the cc:Mail Upgrade Advanced Settings dialog box, click Gateway Settings.
3. In the cc:Mail gateway post office field, enter the name of a cc:Mail post office that routes messages from cc:Mail to an external mail system.
4. In the Notes mail domain name field, enter the name of the Notes mail domain to be used for routing messages to the same external mail system.
5. Click Add pair to establish the mapping between the cc:Mail gateway and the Notes domain.
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