On 06/03/2014 18:09, Sabahattin Gucukoglu wrote:
I'd never even thought of that... Yeuch. I'd have thought that would be
'illegal' in SMTP.
There is a final option: reject the message outright at SMTP time, but deliver
it to the person that accepted it normally.
I think it's doomed by there not being a 'good' fallback solution. This
would be especially a problem when its functionality would virtually
never be available. If it became more common, so the fallback is the
exception rather than the rule, then it would be less of a problem.
PRDR is great in theory, but I'm afraid it's doomed by sheer lack of
At the server end, as far as I can see, it would be trivial to
'implement' PRDR (just announce the capability in the EHLO response, and
accept PRDR in the MAIL FROM, and that's it). It would gain the server
nothing, but be virtually free to implement.
If servers did this, it might encourage clients to implement it, which
would then make it more acceptable for servers to start actually using
it for partial accepts.
Paul Smith Computer Services
Tel: 01484 855800
Vat No: GB 685 6987 53
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