djm408@tijc02.UUCP (David Marks ) (02/02/90)
How do I construct a mail path to an internet site from a uucp site
(i.e what is the syntax)? I am at a uucp site (mcnc!rti!tijc02!djm408)
and I would like to mail to someone on an internet site (kent@csuchico.edu).
We do not have software that understands domain addresses directly. I am
am told that uunet is a gateway from uucp to internet. From here the path
to uunet is: rti!mcnc!rutgers!uunet, and I am told that I can construct
a mail path of the form rti!mcnc!rutgers!uunet!SOMETHINGkent@csuchico.edu
where we don't know what to use in place of "SOMETHING."
Please e-mail responses.
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#include <standard/disclaimer.h> | LIFE IS NOT A MALFUNCTION! - Number 5
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David J. Marks | ...!mcnc!rti!tijc02!djm408
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Johnson City, TN. 37605 | 615-461-2074gary@dgcad.SV.DG.COM (Gary Bridgewater) (02/02/90)
In article <874@tijc02.UUCP> djm408@tijc02.UUCP (David Marks ) writes: >How do I construct a mail path to an internet site from a uucp site >(i.e what is the syntax)? I am at a uucp site (mcnc!rti!tijc02!djm408) >and I would like to mail to someone on an internet site (kent@csuchico.edu). >We do not have software that understands domain addresses directly. I am >am told that uunet is a gateway from uucp to internet. From here the path >to uunet is: rti!mcnc!rutgers!uunet, and I am told that I can construct >a mail path of the form rti!mcnc!rutgers!uunet!SOMETHINGkent@csuchico.edu >where we don't know what to use in place of "SOMETHING." >Please e-mail responses. I would e-mail, but we seem to be awash in mail experiments here. Several of them seem to involve an un-registered host named adam which rutgers readdresses to the registerd host adam (a sister DG site). These messages bounce back from our adam here and can't get any further. Some suggestions: First - if you have pathalias let it create the path. Just hand it "targethost!user" and let it do it's thing (your maps are up to date, right?). If targethost is a unresigtered leaf of a registered host then use "registeredhost!targethost!user". Second - if you don't - send the mail to a smart host and let it figure the the path from there. I don't know who, in your area , wishes to be used that way - send mail to the postmaster on your upstream hosts and ask. Then you can send to "xx!yy!smartmailer!targethost!user". (With a possible "registeredhost!" before "targethost".) Third - do not mix "!"s and "@"s in outgoing mail. It is ambiguous. You don't know how each upstream site will interpret them, especially in long paths. This means that the address a!b@c can mean two things - each a valid interpretation - 1) uucp the messages to "a" and then mail it to user "b" on "c", and 2) mail the message to host "c" which will uucp it to user "a" on "b". Along the same lines - user@ahost@bhost is a real ugly thing. The syntax, if necessary, is @bhost:user@ahost. Some use user%ahost@bhost. Note that you may see addresss re-written is strange ways in the headers of mail you get. This occurs when pairs of hosts know what the other wants and make allowances. Don't try to do it for them in advance. Headers of incoming messages are not good (or even, necessarily useable) examples of mailpathing. Last - avoid using unregistered hosts within paths unless you really know what you are doing. Having them at the end should, of course, work. This will be a direct fallout of my First suggestion. I will look forward to not seeing your future attempts in my mailer-daemon inbox :-). Flames and corrections gratefully accepted. -- Gary Bridgewater, Data General Corporation, Sunnyvale California gary@sv.dg.com or {amdahl,aeras,amdcad}!dgcad!gary The impossible we understand right away - the obvious takes a little longer.