Hi Scott,

>>If the server is connected to the Internet, spammers won't care if the
server is just for testing purposes...

It was only for a matter of half an hour or so while I set this up. I asked
2 clients if they would be in on the test so that I could establish if this
would work properly.

>> Um, does that mean that you are trying to cheat, and block ORDB (as if
they
were a spammer)?  If you run an open relay and they catch you trying to
block them, you risk getting an eternal entry.  That means that even once
you are no longer an open relay, you may still end up blacklisted.

No, I'm not trying to cheat, I'm trying to set up a relaying server that
works and that blocks open relay at the same time. The kill.lst entries that
I have do not include entries blocking ORDB.ORG. That WOULD be cheating
(read "bad practice") and I wouldn't condone that either.

>> Because it is supposed to -- otherwise, those IPs wouldn't be able to
send
mail to any users that have accounts on your server.  In this case, there
aren't any users on the server, but that isn't important (the "Relay for
Addresses" setting just lets you determine who can relay E-mail).  If the
mailserver doesn't accept any E-mail, you can use the SMTP "Control Access"
file to only allow certain IPs to connect.

Understood, but why was I getting "Invalid User" entries in the log file if
this server is only going to relay mail.

Allen



-----Original Message-----
From:   [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of R. Scott Perry
Sent:   23 January 2003 15:56
To:     [EMAIL PROTECTED]
Subject:        Re: OSRELAY:[IMail Forum] Well blow me down and SMTP relaying


>I KNOW it's bad practice but this was for testing purposes only.

If the server is connected to the Internet, spammers won't care if the
server is just for testing purposes...

>I checked "Relay for Addresses" put in the IP address range and subnet,
>restarted the SMTP service and sat back and watched as our clients' servers
>connected to see what happened. OH NO!!!! Every single message bounced back
>to the client with an "Invalid User" message.

Are you sure that the IP range was set up properly, and that your users
were all coming from that IP range?

>What was even worse was that the ORDB test comes from all sorts of
different
>IP addresses and the server connected to every one during the test.

Um, does that mean that you are trying to cheat, and block ORDB (as if they
were a spammer)?  If you run an open relay and they catch you trying to
block them, you risk getting an eternal entry.  That means that even once
you are no longer an open relay, you may still end up blacklisted.

>My questions are:
>
>1. Why didn't the server relay the messages, do I need to set up
>domains/users on this server to be able to relay or what?

With "Relay for Addresses", anyone from the IP range(s) you specify should
be able to send outgoing E-mail.

>2. Why did the server allow IP addresses outside of the range to connect?

Because it is supposed to -- otherwise, those IPs wouldn't be able to send
mail to any users that have accounts on your server.  In this case, there
aren't any users on the server, but that isn't important (the "Relay for
Addresses" setting just lets you determine who can relay E-mail).  If the
mailserver doesn't accept any E-mail, you can use the SMTP "Control Access"
file to only allow certain IPs to connect.

                                                    -Scott
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