Re: [Extra] imap4rev2 route

Alexey Melnikov <alexey.melnikov@isode.com> Wed, 11 December 2019 13:39 UTC

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To: Timo Sirainen <timo@sirainen.com>, extra@ietf.org
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From: Alexey Melnikov <alexey.melnikov@isode.com>
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Date: Wed, 11 Dec 2019 13:39:07 +0000
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Subject: Re: [Extra] imap4rev2 route
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Hi Timo,

On 10/12/2019 21:53, Timo Sirainen wrote:

>> addr-adl        = nstring
>>                      ; Holds route from [RFC-5322] route-addr if
>>                      ; non-NIL
> RFC 5322 doesn't have "route-addr". It has "obs-route".
Good catch!
> Should we in general make it a bit more obvious that the route is completely obsolete and neither server nor clients need to support this field? I was thinking of getting rid of it in Dovecot and just making it always NIL.

I think the answer to this is whether or not you want to preserve 
fidelity of very old messages. I agree there is no reason to generate 
source route, but I am not sure that IMAP4rev2 is the right place to 
deprecate its use.

Best Regards,

Alexey