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  • uux and rmail

    From kevin shell@21:1/5 to All on Wed Aug 19 08:07:10 2020
    Hallo.

    UUCP command and file arguments with ! prefix confused.

    What's the difference between
    uux - nodeA!nodeB!nodeC!rmail user
    uux - nodeA!rmail nodeB!nodeC!user

    --
    kevin

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  • From Grant Taylor@21:1/5 to kevin shell on Wed Aug 19 16:09:56 2020
    On 8/19/20 2:07 AM, kevin shell wrote:
    Hallo.

    Hi,

    UUCP command and file arguments with ! prefix confused.

    What is your confusion?

    The "!" (bang) is a path, as in path between host(s) and the final user.

    What's the difference between
    uux - nodeA!nodeB!nodeC!rmail user

    This runs rmail on nodeC (after traversing nodeA and nodeB) with the
    parameter of "user" (which indicates the recipient for the rmail command).

    uux - nodeA!rmail nodeB!nodeC!user

    This runs rmail on nodeA with the parameter of "nodeB!nodeC!user".

    I'm not entirely sure what rmail (or Sendmail or other MTA) will do with "nodeB!nodeC!user" as a parameter.

    /If/ rmail & co. do handle things properly, chances are quite good that
    UUCP will be used between nodeA, nodeB, and nodeC and ultimately run
    rmail user as in your first example.

    So, it may be said that the ultimate outcome is quite similar, or
    effectively the same. But the method of how it is done is different.



    --
    Grant. . . .
    unix || die

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  • From kevin shell@21:1/5 to Grant Taylor on Wed Aug 19 23:06:32 2020
    Grant Taylor <gtaylor@tnetconsulting.net> wrote:

    I'm not entirely sure what rmail (or Sendmail or other MTA) will do with "nodeB!nodeC!user" as a parameter.


    Yes, I'm a bit confused by this parameter.
    Maybe MTA will do onward forwarding.

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