[Techtalk] Qmail urgent! - thanks

[Marcia Corrente]

Thank you all for your advices, the links were very
usefull... I could do all my qmail´s setup just the
way I wanted! great idea subscribing to LinuxChix!

Greets
Marcia V.

> >      I'm in real trouble with qmail's
> configuration...
> >I think this shouldn't be hard to do, but since I'm
> a
> >newbie to qmail, I couldn't ('till now) find the
> way
> >to block other servers than mine to send messages
> >trought my qmail server. People are using my server
> to
> >send spam all over the net and my server is already
> >blocked at various anti-spam services... I need
> help!!
> 
> Set up the file /var/qmail/control/rcpthosts. It
> should contain a list of 
> all hosts you want Qmail to accept mail for, one per
> line. If you want to 
> receive mail for an entire domain (i.e., all hosts
> in foo.tld, ranging from 
> a.foo.tld to z.foo.tld), then you can simply use a
> line that says 
> ".foo.tld" (note the leading period).
> 
> This will cause Qmail not to accept any mail that
> isn't destined for the 
> domains you host, which will keep spammers from
> relaying through your server.
> 
> Next, you need to allow your own users to
> legitimately relay through your 
> mail server. This is the part where you should go
> and read the stuff on 
> selective relaying, as provided by Brian Sweeney.
> Comments on that follow.
> 
> At 12/3/01 09:33 AM , Brian Sweeney wrote:
> 
> >It depends on what you define as "hard to do" ;). 
> Selective relaying with 
> >qmail is (IMHO) a little tricky; you have to use
> the tcpserver package.
> 
> Which is the recommended way to set up qmail-smtpd
> anyway, so that 
> shouldn't be much of a problem. Of course, the
> syntax is totally unlike 
> Sendmail, which can be very confusing for an
> experienced Sendmail admin 
> trying to run Qmail...
> 
> >The reason for this, if I remember right, is that
> qmail itself doesn't 
> >really handle selective relaying; it either relays
> or doesn't.
> 
> That's not actually true; it relays from a given IP
> or it doesn't, but 
> that's the case with *any* system that's doing
> selective relaying, whether 
> it be Qmail, Sendmail, Postfix, Exim, of
> Jimmy-Joe-Bob's Homebrewed MTA.
> 
> I think the confusing part is that, with most
> selective relaying setups for 
> Qmail, the list of standard rcpthosts is in
> /var/qmail/control/rcpthosts 
> (which makes total sense), but the list of
> relaying-allowed IPs is 
> (usually) somewhere else, such as
> /etc/smtp/smtp.filter.* or what-have-you.
> 
> >One thing I loved about qmail though; I found the
> documentation to be 
> >REALLY helpful.  They explain much better than I
> do.  Check out the 
> >following link to just get your problem resolved
> ASAP:
> >
> >http://www.palomine.net/qmail/selectiverelay.html
> >
> >Also, though, if you haven't, look through Life
> with Qmail 
> >(http://www.lifewithqmail.org/).  It's the
> documentation for qmail. Their 
> >section on relaying
> (http://www.lifewithqmail.org/lwq.html#relaying)
> would 
> >also help some, but the one mentioned above is more
> complete.
> 
> I'd just like to back up your mention of these URLs;
> they're both excellent 
> resources. (I wish Dave Sill's LWQ had been around
> when I was learning Qmail!)
> 
>                                                 
> --Kai MacTane


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