-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Hi Steve, The reason why paradise.net said it was not possible at the time was because for two reasons: 1) Our MTA at the time did not support OMDR or any similar features to achieve delivery of mail using OMDR or other features to acheive the same means. 2) Later we developed our own Dynamic SMTP MTA which delivers mail to customer's dynamically assigned IP address after verifying that we indeed have the correct customer on the expected RAS port. OMDR requires quite a bit of compliance from the customer point of view. Our own Dialup SMTP solution required very little support from the customer's point of view other than having an SMTP server listening on their dialup connection. I'm thinking that this day in age with DDNS and broadband connections becoming far more relevant that SMTP delivery to dynamic IP addresses is becoming less of an issue. But then perhaps I'm mistaken. - -- Mark Goldfinch Senior Systems Administrator IS: Unix Systems TelstraClear Ltd
-----Original Message----- From: Steve Lang [mailto:steve(a)spl.co.nz] Sent: Wednesday, 19 April 2006 20:59 To: Simon Cc: nznog(a)list.waikato.ac.nz Subject: Re: [nznog] Port 25
Dare I suggest something worth talking about amongst the recent flaming.... but....
Some time ago, I was asking about ISP's that provided ODMR services. RFC 2645 (http://www.rfc-archive.org/getrfc.php?rfc=2645). Can't recall where that thread went - someone from paradise saying something about them not wanting to do it 'cause it would make them insecure or something... Didn't make sense at the time.
In any case, this would appear to be to be a good solution. The RFC has been around for a long time (1999), and it appears that there may be more than just a couple of clients/servers.
But, I still can't find anyone that supports it. Any clues who might? Anyone from ISP land that want's to create an ODMR service? Don't need a static IP, should work with everyone etc. etc.
Cheers -
Simon wrote:
Just a quick email to the list to find out what other service providers are doing regarding XTRA blocking port 25 when your company does not provide internet connections, so many of your customers are using xtra as a service provider but not for other services wuch as mail.
Many of my customers are XTRA customers, but are also vodafone etc etc, so an external autheticated mail server is a huge bonus for them. Use secure port?
Regards,
Simon
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