At 09:17 AM 4/13/00 +0800, you wrote:
>I have, what seems to me, to be a common setup.
>
>I have a home linux box (and a local home lan).
>My box has a local name, but no domain name. I get my incoming mail from
>other sources (mostly uucp, but it could also be ipop). The point is that I
>don't need sendmail for incoming mail services (except for local delivery).
>
>I would like to set up sendmail for outgoing mail services though. My ISP's
>sendmail is an open relay, and if I use that as my MTA's delivery agent,
>there are some places I mail to that will get rejected because the mail
>comes from an open relay.
>
>I used to use smail on my old linux box (running rh 4.1), and it is this box
>that is getting upgraded to rh6.2. I decided to use linuxconf to configure
>sendmail, but for the life of me can't seem to figure some things out.
>
>it seems that sendmail really want a domain name. I suppose that this is for
>incoming mail, but 1) I do not have a domain name, 2) I don't feel like lying
>and making one up (mostly because I am unsure of the consequences of telling
>that particular lie to sendmail/linuxconf), and 3) I really don't care about
>incoming sendmail anyways - I won't be getting any, unless it comes from my
>wife's machine, and she can just forward to my uucp/ipop address if she
wants.
>
>so, how do I set up sendmail for out-going support only? Or is there
something
>different I should be doing (aside from using qmail, smail - I really want
the
>sendmail knowledge) ? (directions using linuxconf/sendmail configure would be
>appreciated.
>
>thank you, and regards,
>
>-Greg
>
Greg,
        Sendmail needs a domain name so it can tell other systems who is
sending the mail.  One way to set it up for a home system is to give
it a made up name, and then tell it to masquerade as your ISP.  This
will not work in your case because of the open relay problem.  But I
am not sure how you can get around it because a lot of systems that
filter out open relays also filter out dialup IP's, as well as
systems that don't have valid DNS records.  With no MX record for your
system, your mail will probably get rejected by the same systems that
reject mail from your ISP.
        One thing you may be able to do is to set up sendmail to send
messages out using the uucp through the same link as you get your
mail.  It depends on the system you get your mail from.  Will they
accept mail from you that way?  Is that system an open relay, or
will mail from them be acceptable?
        Maybe someone else on the list know of another way around the
problem.  Changing to another mail program will not help unless you
can get someone to relay outgoing mail for you that is not an open
relay...

I wish I could be of more help...
Mikkel

--
    Do not meddle in the affairs of dragons,
 for you are crunchy and taste good with ketchup.


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