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A soft node necessity: a directory lookup service, distributed, sharing data. Merely specifying the first point of contact and alternate paths doesn't cut it. You don't want to have to retry a bounced message so many times.
Who here knows enough about sendmail to consider the eventual feasibility of integrating pseudonym lookup into mail transfer?
Eric
Hey, no problem! Just use the same escape call as the uucp pathalias. When integrating an Internet/DNS aware gateway with 1200 Unix workstations using /etc/hosts (no domain) and an X.400 connection to a VMS X.400 backbone, I hooked in a little C program that converted all the addressing to proper formats while also looking up userid's <-> fullnames in a B+tree database. I even did fuzzy matching on names on a best-unique or exact basis. Blew away X.500 functionality, which Dec and HP didn't even have integrated with X.400 at the time. Just need a program that takes an address on the command line and returns it possibly modified with a yey or ney return code. sdw