Hi Andrey,
On Fri, 5 Jan 2001 07:19:30 +0300GMT (05/01/2001, 12:19 +0800GMT),
Andrey G. Sergeev (AKA Andris) wrote:
TF>> It is not an "open" line if you are connected to it.
AGSAA> Hmm... Didn't catch the point, could you please explain? :-)
The same as you say below, using the more correct term "third party
relay". What I mean is, it does not mean it's open to third parties if
you can use it while being logged in through the same ISP.
TF>> Relaying would be if I used an SMTP server in Germany for an account
TF>> in Thailand while having dialled in through an ISP in Taiwan. If I use
TF>> the SMTP server of the ISP I dial in through, it is not relaying,
TF>> never mind the From address.
AGSAA> Sorry, but you're wrong here.
I meant "third-party relaying". The SMTP server error "sorry, we don't
relay", which I have seen at times, also refers to third-party
relaying, wouldn't it?
AGSAA> Generally, all SMTP servers are "relays". But the actual server
AGSAA> behaviour can significantly vary. You can use ORBS, RBL, DRBL, RSS
AGSAA> whatever databases to prevent spammers from sending your their crap, you
AGSAA> of course should use some kind of ACL (access.db on sendmail) etc.
GMX has, for example, POP before SMTP. So, you POP nad then you can
use their SMTP server, never mind through which ISP you are logged in.
AGSAA> Here is the example. Imagine that one of my SMTP servers acts as a relay
AGSAA> for the following domains:
[...]
AGSAA> EHLO hostname.client.net.ru
AGSAA> MAIL FROM:<[EMAIL PROTECTED]>
AGSAA> RCPT TO:<[EMAIL PROTECTED]>
Is there a way we can see which commands TB actually sends to the
server? What is RCPT TO: ? The recipients?
AGSAA> then after the last command the server would reply
AGSAA> 550 Relaying denied
AGSAA> because none of the domains used by this kiddie are "local" to the
AGSAA> server.
Of course. That's why I was talking about in the beginning.
--
Cheers,
Thomas.
Message reply created with The Bat! 1.48g
under Chinese Windows 98 4.10 Build 1998
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