| Field | Description |
| Number of mailboxes | Indicates the number of mailboxes (MAIL.BOX databases) on servers that uses this Configuration Settings document. If this field is blank, one mailbox is used. You can configure a maximum of 10 mailboxes. |
| SMTP used when sending messages outside the local Internet domain | Choose one:
- Enabled - The Router can route mail over SMTP to Internet destinations.
- Disabled - (default) The Router cannot use SMTP to route mail outside the local Internet domain.
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| SMTP allowed within the local Internet domain | Choose one:
- MIME messages only - The Router uses SMTP to transfer MIME messages to other IBM® Lotus® Domino™ servers that are within the same Domino domain and which run the SMTP Listener.
- Disabled (default) - The Router uses Notes routing to transfer mail to other servers in the same Domino domain.
- All messages - The Router uses SMTP to transfer both Notes format and MIME format messages to other Domino servers that are within the same Domino domain and that run the SMTP Listener. Messages in IBM® Lotus® Notes® rich text format will be converted to MIME format before transfer. This may cause loss of fidelity and performance. For example, Notes Doclinks and applications such as Calendar and Scheduling will not work.
Note You can limit the use of SMTP to transfer mail within the Domino domain by setting the next field ("Servers within the local Domino domain are reachable via SMTP over TCPIP") to only allow SMTP within the same Notes named network. |
| Servers within the local Domino domain are reachable via SMTP over TCPIP | Choose one:
- Always (default) - The Router can use SMTP to transfer mail to any Domino server in the local Domino domain that runs the SMTP Listener.
- Only if in same Notes named network - The Router can use SMTP to transfer mail to other Domino servers in the local Domino domain only if the destination server is in the same Notes named network. If the destination server is in the local Domino domain, but resides in a different Notes named network, the Router must use Notes routing to transfer mail.
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| Address lookup | Specifies how the Router searches the Domino Directory to determine the Notes recipient of an inbound Internet message. Choose one:
- Fullname then Local Part - (default) The Router first searches the Domino Directory for a match for the full Internet address (localpart@domain.com). If no match is found, it searches the directory again, looking for a match for the local part of the address only.
- Fullname only - The Router searches the Domino Directory for full Internet addresses only. For example, it searches for 'user@domain.com' but not for 'user.' If an exact match is not found and the domain suffix is equivalent to an Internet domain alias defined in the Global domain document, a secondary search is performed using the domain suffix of the primary Internet domain.
- Local Part only - The Router searches the Domino Directory for a match of the local part of the Internet address, that is, the part before the @ symbol. Local part matching matches periods and underscores in the address with spaces in the directory.
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| Exhaustive lookup | Choose one:
- Enabled - The Router searches all directories to ensure that there are no duplicate recipient names that might prevent delivery to the correct mail file. Performing exhaustive lookups is time-consuming and places a heavy load on the server.
- Disabled - (default) The Router limits its search to the first directory that contains the address.
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| Relay host for messages leaving the local Internet domain | The fully-qualified Internet host name or domain name of an SMTP server, such as an ISP server, or firewall, that processes all outbound Internet mail. A domain name is a valid entry only if the internal DNS contains an MX record for the domain and can resolve it to a host name. |
| Use authentication when sending messages to the relay host | Choose one:
- Required - Checks whether the server can authenticate. If the server cannot authenticate, no attempt is made to try a non-authenticated session.
- Enabled - Checks whether the server can authenticate. If the server cannot authenticate, an attempt is made to try a non-authenticated session. Specify the name and password to be used for authentication.
- Disabled - The SMTP Authentication feature is disabled. Authentication is not attempted.
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| Local Internet domain smart host | The fully-qualified Internet host name of the server that hosts the directory for SMTP recipients who are not in the local Domino Directory, for example, smarthost.acme.com. Complete this field if this server receives mail for users in the local Internet domain who use a mail system other than Domino.
To provide a level of failover and load-balancing, the name you specify can be one that maps to multiple existing MX records.
You can also enter an IP address, rather than a host name. |
| Smart host is used for all local Internet domain recipients | Choose one:
- Enabled - Before routing incoming SMTP messages, the Router sends them to the smart host specified in the previous field for address lookup.
- Disabled - (default) The Router only sends a message to the smart host for lookup if the recipient is not found in the Domino Directory.
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| Host name lookup | Choose one:
- Dynamic lookup only (DNS only) - The Router determines the IP address for a host by looking it up in DNS. SMTP transfer can occur only if the destination host is listed in DNS.
- Local lookup only (host files only) - The Router determines the IP address for a host by looking it up in a hosts file on the local machine.
- Dynamic then local - (default) The Router determines the IP address for a host by looking it up in DNS first and then checking the local hosts file if no DNS entry exists.
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