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- Path: sparky!uunet!usc!news.service.uci.edu!unogate!mvb.saic.com!info-multinet
- From: KLENSIN@INFOODS.MIT.EDU (John C Klensin)
- Newsgroups: vmsnet.networks.tcp-ip.multinet
- Subject: Re: What is the PC way of testing mail/network connectivity?
- Message-ID: <727679114.55966.KLENSIN@INFOODS.UNU.EDU>
- Date: Fri, 22 Jan 1993 00:05:14 -0500 (EST)
- Organization: Info-Multinet<==>Vmsnet.Networks.Tcp-Ip.Multinet Gateway
- X-Gateway-Source-Info: Mailing List
- Lines: 31
-
- >On USEnet, there are test newsgroups (e.g. ba.test, misc.test) which are used
- >to test if a person's posts will make it out into the greater computropolis.
- >
- >But where is a test mail address? Is there some kind of mail-reflector or a
- >gateway to/from the test newsgroups or anything? After all, not every site HAS
- >USEnet newsgroups.
-
- Think a bit about what you are trying to do here, since the answer to
- your question may depend on the answer to this one.
-
- Assuming that your UA software will let you do it (the Host Requirements
- RFC discourages that, but...), there is a moderately well-known trick of
- using source routing to bounce a message off another host and back to
- you. Note that not all SMTP servers support this, but most probably
- do, at least for a single route. It does impose some load, so asking
- first would be polite, but one or two messages off a large and
- mail-active host will probably not matter enough to be noticed.
-
- You want to send mail to:
- <@relay-domain:your-mailbox@your-domain>
- You may need some sort of string in front of that for some MTAs. Using
- SMTP%"<@relay-domain:your-mailbox@your-domain>"
- with the MultiNet SMTP and VMSMail does, if I recall, work without
- problems.
-
- Interpreting the results, if you are trying to do more than test getting
- a message out and getting one back, may be interesting, since your host
- will be appearing in a lot of different Received fields.
-
- john klensin@infoods.unu.edu
-
-