Novell GROUPWISE 7 - MULTI-SYSTEM ADMINISTRATION, Manual

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24 GroupWise 7 Multi-System Administration Guide
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Š If No: The client recognizes the Internet domain as external to its system and queues the
message to the MTA. Go to
Stage 3 .
2.7.3 Stage 3: GroupWise MTA in the Sending System
The GroupWise MTA asks: “Does the Internet domain in this address match any Internet domain
defined in the local GroupWise system?”
Š
If Yes: The GroupWise MTA recognizes that the Internet domain is internal and routes it to the
internal domain.
Š If No: The GroupWise MTA cannot find a matching Internet domain in its system. The
GroupWise MTA attempts to find a resource to help it route the message. Go to
Stage 4 .
2.7.4 Stage 4: GroupWise MTA in the Sending System
The GroupWise MTA checks its system and asks: “Has a route been defined to an alternate MTA
configured for Internet domain service?”
Š
If Yes: All messages with an external Internet domain are routed to a designated MTA. Go to
Stage 5 .
Š
If No: The local MTA handles messages with an external Internet domain in the address. Go to
Stage 5 .
2.7.5 Stage 5: GroupWise MTA in the Sending System
The GroupWise MTA asks: “Is this system set up to support DNS lookups?”
Š
If Yes: The GroupWise MTA checks DNS. Go to Stage 9 .
Š
If No: The GroupWise MTA attempts to find another way to connect to the Internet domain.
Go to
Stage 6 .
2.7.6 Stage 6: GroupWise MTA in the Sending System
The MTA checks the system for capability to establish SMTP links and asks: “Does this system
have a designated GroupWise Internet Agent?”
Š If Yes: Go to Stage 7 .
Š
If No: The message is undeliverable.
2.7.7 Stage 7: GroupWise Internet Agent in the Sending
System
The MTA passes the message to the designated Internet Agent in this GroupWise system. The
Internet Agent checks DNS and asks: “Does DNS have a mail exchange record (MX) for this other
system that I can use to establish an SMTP link?”
Š If Yes: The Internet Agent does a DNS lookup for an MX record. Go to Stage 8 .
Š
If No: The message is undeliverable.