MBOX-Line: From jjmckay at comaxis.com  Tue Nov 17 15:39:34 2015
To: imap-protocol@u.washington.edu
From: Jeff McKay <jjmckay@comaxis.com>
Date: Fri Jun  8 12:34:55 2018
Subject: [Imap-protocol] UID MOVE and untagged OKs
In-Reply-To: <25069F83-83C9-4130-B0D0-6C4FCC37A292@jabberwocky.com>
References: <25069F83-83C9-4130-B0D0-6C4FCC37A292@jabberwocky.com>
Message-ID: <564BBAB6.8070609@comaxis.com>

I don't have an answer but if you don't mind my asking a question, what 
is the relationship between your client and iOS Mail?  Why should
something you are doing in your own client cause it to fail?  Or if you 
are the author of iOS Mail, then why don't you adjust as necessary?

On 11/17/2015 3:11 PM, David Shaw wrote:
> Hello,
>
> I'm currently beating my head against a problem with a particular server implementation.  The problem, as best I can work out from the outside, is in UID MOVE.
>
> My understanding from RFC-6851 is that a UID MOVE transaction should look something like this (cut and paste from the RFC):
>
>         C: a UID MOVE 42:69 foo
>         S: * OK [COPYUID 432432 42:69 1202:1229]
>         S: * 22 EXPUNGE
>         S: (more expunges)
>         S: a OK Done
>
> The relevant piece of this for my question is that the COPYUID response is in an untagged OK.  Again, from the RFC: "Servers implementing UIDPLUS are also advised to send the COPYUID response code in an untagged OK before sending EXPUNGE or moved responses."
>
> This seems straightforward.
>
> The server I'm having a problem (outlook.office365.com) with has a UID MOVE transaction like this (actual transaction captured from my client):
>
>         C: 14 UID MOVE 7599 "Deleted Items"
>         S:  [COPYUID 12 7599 4788]
>         S:  * 373 EXPUNGE
>         S:  * 372 EXISTS
>         S:  14 OK MOVE completed.
>
> The concern is with the second line (the COPYUID response).  There is no untagged OK / "* OK" there, which seems incorrect to me and perhaps more significantly, seems to cause the Apple iOS mail program to throw an error every time a message is moved from folder to folder (which of course includes the "delete this message" function).
>
> I've spent (literally) weeks trying to get Microsoft Office365 support to acknowledge the problem, without success.  The most recent response insists that they are following the RFC, and in fact quoted the "Servers implementing UIDPLUS are also advised to send the COPYUID response code in an untagged OK before sending EXPUNGE or moved responses." line from RFC-6851 as what they are doing.
>
> Could the experts on this list help me understand what is going on here?  I have no particular need to be "right" - I just want to be able to delete messages without getting errors every single time.
>
> Thanks,
>
> David
>
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