internet mail addresses syntax

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2 total messages Started by Pete Sabotka Sat, 05 Sep 1992 23:08

#10

Author: Pete Sabotka
Date: Sat, 05 Sep 1992 23:08

19 lines
1193 bytes

Sorry for the easy questions, I am Internet-illiterate!

What is the significance of a "!" in an internet address ?  
I often see addresses from the INFO-VAX mailing list with several 
internet domain names separated by a "!".
For example:

From:  MX%"address1.vms.edu!address2.vms.edu!sabotkap@woods.ulowell.edu"
			   ^                ^

While I'm posting, what does a "%" mean as well in an internet mail address
after a username?

pete
^-v-^-v-^-v-^-v-^-v-^-v-^-v-^-v-^-v-^-v-^-v-^-v-^-v-^-v-^-v-^-v-^-v-^-v^-v-^
Pete Sabotka, Meteorology Dept.           DECnet:  WOODS::SABOTKAP
University of Massachusetts - Lowell        Inet:  sabotkap@woods.ulowell.edu
One University Avenue                      Phone:  (508) 459-4930
Lowell, MA      01854             Likes his eggs:  Over well

Re: internet mail addresses syntax

#11

Author: Kari E. Hurtta
Date: Sun, 06 Sep 1992 20:01

30 lines
1595 bytes

In article <1992Sep5.180846.1@woods.ulowell.edu> sabotkap@woods.ulowell.edu (Pete Sabotka) wrote:
> Sorry for the easy questions, I am Internet-illiterate!
> 
> What is the significance of a "!" in an internet address ?  
> I often see addresses from the INFO-VAX mailing list with several 
> internet domain names separated by a "!".
> For example:
> 
> From:  MX%"address1.vms.edu!address2.vms.edu!sabotkap@woods.ulowell.edu"
> 			   ^                ^
> 
> While I'm posting, what does a "%" mean as well in an internet mail address
> after a username?

If I read wording of RFC 819 correct, then:

Only woods.ulowell.edu in this address have internet address.
All left from that address are supposed that woods.ulowell.edu
know what it is.

That address1.vms.edu!address2.vms.edu!sabotkap seems to me
as some sort UUCP-bang address. That is valid
'local part' in the BNF specification (in Appendix A of RFC 819).

- K E H
( Kari.Hurtta@Helsinki.FI,
  hurtta@cc.Helsinki.FI,
  hurtta@cs.Helsinki.FI,
  HURTTA@FINUH.BITNET
)

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