Brendon,

> Why? Apparently Xtra do not allow sending through their SMTP
server for
> domains that essentially aren't on a "register of Xtra hosted
domains".

I'm not sure that this is factually correct.

I have just relayed a message through smtp.xtra.co.nz from an Xtra
dial-up connection, which was sent from and addressed to, a domain
that is nothing to do with Xtra, and in no way associated with the
account it was sent from.

Even better, I did it by hand, talking raw SMTP, and here is the
transcript to prove it:

-----------------------------------
SMTP Transcript begins...
-----------------------------------

server:~$ telnet smtp.xtra.co.nz 25
Trying 203.96.92.131...
Connected to smtp.xtra.co.nz.
Escape character is '^]'.
220 mta3-rme.xtra.co.nz ESMTP server ready Wed, 7 Sep 2005 12:35:56
+1200
helo .
250 mta3-rme.xtra.co.nz
mail from:<pete@mac.geek.nz>
250 Sender <pete@mac.geek.nz> Ok
rcpt to:<pete@mac.geek.nz>
250 Recipient <pete@mac.geek.nz> Ok
Data
354 Ok Send data ending with <CRLF>.<CRLF>
Does this get through?
.
quit
250 Message received: 20050907003615.XEKO1650.mta3-rme.xtra.co.nz@
[210.54.127.xxx]
221 mta3-rme.xtra.co.nz ESMTP server closing connection
Connection closed by foreign host.

-----------------------------------
SMTP Transcript ends...
-----------------------------------

I can confirm that I then received this message (relayed through
Xtra) only a matter of seconds later!

Regards,
Pete

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