Interaction with ProtonMail “Error syncing changes: mailbox 4 does not exist”

[Gnome Evolution - General mailing list]

Sporadically when I attempt to empty the trash on a ProtonMail account
using evolution, I get the following error:

```
Failed to refresh folder "<user>@protonmail.com : Trash”.

The reported error was “Error syncing changes: mailbox 4 does not
exist”.
```

then when navigating away from the trash folder,

```
Error while Storing folder “Trash”.

Error syncing changes: mailbox 4 does not exist
```

From this point on, evolution will not sync to the server (see note
below).

This problem is only fixed by quiting evolution and killing evolution-
source-registry, and going to the ProtonMail web client and emptying
the trash.

Note that ProtonMail is odd in this since it doesn't provide IMAP
access to their servers, but rather has a bridge application that
interacts with their servers and presents an IMAP server on localhost.

I intend to instrument the ProtonMail bridge application, but I would
like to have a basic idea of what it is that I should be looking for
before I jump into that.

```
~ $ evolution --version
evolution 3.28.5-0ubuntu0.18.04.2
```

thanks
Dan Kortschak


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On Tue, 2020-05-26 at 04:34 +0200, Dan Kortschak via evolution-list
wrote:
> This problem is only fixed by quiting evolution and killing
> evolution-source-registry, and going to the ProtonMail web client and
> emptying the trash.

        Hi,
why also the evolution-source-registry? I'd not expect that to change
anything.

> I intend to instrument the ProtonMail bridge application, but I would
> like to have a basic idea of what it is that I should be looking for
> before I jump into that.

You can see what it does in the background when you start Evolution
from a terminal as this:

   $ CAMEL_DEBUG=imapx:io evolution

which logs raw communication between the server and Evolution. Whether
it'll help you to diagnose the problem I'm not sure.
        Bye,
        Milan

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On Tue, 2020-05-26 at 08:44 +0200, Milan Crha via evolution-list wrote:

> On Tue, 2020-05-26 at 04:34 +0200, Dan Kortschak via evolution-list
> wrote:
> > This problem is only fixed by quiting evolution and killing
> > evolution-source-registry, and going to the ProtonMail web client
> > and
> > emptying the trash.
>
> Hi,
> why also the evolution-source-registry? I'd not expect that to change
> anything.
>
> > I intend to instrument the ProtonMail bridge application, but I
> > would
> > like to have a basic idea of what it is that I should be looking
> > for
> > before I jump into that.
>
> You can see what it does in the background when you start Evolution
> from a terminal as this:
>
>    $ CAMEL_DEBUG=imapx:io evolution
>
> which logs raw communication between the server and Evolution.
> Whether
> it'll help you to diagnose the problem I'm not sure.
> Bye,
> Milan
>

Thanks for both of those. I have retried without killing the source
registry and it is resolved without that.

The relevant output from CAMEL_DEBUG=imapx:io is as follows:

[imapx:A] I/O: 'A00133 UID STORE 338 -FLAGS.SILENT (\DELETED)'
[imapx:A] I/O: 'A00133 OK UID STORE completed'
[imapx:A] I/O: 'A00134 UID STORE 338 -FLAGS.SILENT (JUNK)'
[imapx:A] I/O: 'A00134 NO mailbox 4 does not exist'
[imapx:A] I/O: 'A00135 UID STORE 338 -FLAGS.SILENT (\DELETED)'
[imapx:A] I/O: 'A00135 OK UID STORE completed'
[imapx:A] I/O: 'A00136 UID STORE 338 -FLAGS.SILENT (JUNK)'
[imapx:A] I/O: 'A00136 NO mailbox 4 does not exist'
[imapx:A] I/O: 'A00137 STATUS INBOX (MESSAGES UNSEEN UIDVALIDITY
UIDNEXT)'
[imapx:A] I/O: '* STATUS INBOX (UIDVALIDITY 4 UIDNEXT xxxx MESSAGES
xxxx UNSEEN xx)'
[imapx:A] I/O: 'A00137 OK STATUS completed'

Can you point me to documentation where I can read about how to
interpret this?

thanks
Dan Kortschak


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On Tue, 2020-05-26 at 12:37 +0000, Dan Kortschak wrote:

> On Tue, 2020-05-26 at 08:44 +0200, Milan Crha via evolution-list
> wrote:
> > On Tue, 2020-05-26 at 04:34 +0200, Dan Kortschak via evolution-list
> > wrote:
> > > This problem is only fixed by quiting evolution and killing
> > > evolution-source-registry, and going to the ProtonMail web client
> > > and
> > > emptying the trash.
> >
> > Hi,
> > why also the evolution-source-registry? I'd not expect that to
> > change
> > anything.
> >
> > > I intend to instrument the ProtonMail bridge application, but I
> > > would
> > > like to have a basic idea of what it is that I should be looking
> > > for
> > > before I jump into that.
> >
> > You can see what it does in the background when you start Evolution
> > from a terminal as this:
> >
> >    $ CAMEL_DEBUG=imapx:io evolution
> >
> > which logs raw communication between the server and Evolution.
> > Whether
> > it'll help you to diagnose the problem I'm not sure.
> > Bye,
> > Milan
> >
>
> Thanks for both of those. I have retried without killing the source
> registry and it is resolved without that.
>
> The relevant output from CAMEL_DEBUG=imapx:io is as follows:
>
> [imapx:A] I/O: 'A00133 UID STORE 338 -FLAGS.SILENT (\DELETED)'
> [imapx:A] I/O: 'A00133 OK UID STORE completed'
> [imapx:A] I/O: 'A00134 UID STORE 338 -FLAGS.SILENT (JUNK)'
> [imapx:A] I/O: 'A00134 NO mailbox 4 does not exist'
> [imapx:A] I/O: 'A00135 UID STORE 338 -FLAGS.SILENT (\DELETED)'
> [imapx:A] I/O: 'A00135 OK UID STORE completed'
> [imapx:A] I/O: 'A00136 UID STORE 338 -FLAGS.SILENT (JUNK)'
> [imapx:A] I/O: 'A00136 NO mailbox 4 does not exist'
> [imapx:A] I/O: 'A00137 STATUS INBOX (MESSAGES UNSEEN UIDVALIDITY
> UIDNEXT)'
> [imapx:A] I/O: '* STATUS INBOX (UIDVALIDITY 4 UIDNEXT xxxx MESSAGES
> xxxx UNSEEN xx)'
> [imapx:A] I/O: 'A00137 OK STATUS completed'
>
> Can you point me to documentation where I can read about how to
> interpret this?
>
> thanks
> Dan Kortschak
>

I think that I just caught the trigger in action. I just saw a mail get
sent to junk (ProtonMail server-side filter) and then this

[imapx:A] I/O: 'A00170 UID MOVE 3533 Spam'
[imapx:A] I/O: '* 3177 FETCH (FLAGS ($junk junk) UID 3533)'
[imapx:A] I/O: '* 3177 EXISTS'
[imapx:A] I/O: '* OK [UNSEEN 3] '
[imapx:A] I/O: 'A00170 NO Label does not exist'
[imapx:A] I/O: 'A00171 STATUS Trash (MESSAGES UNSEEN UIDVALIDITY
UIDNEXT)'
[imapx:A] I/O: '* STATUS Trash (MESSAGES 0 UNSEEN 0 UIDVALIDITY 4
UIDNEXT 349)'
[imapx:A] I/O: 'A00171 OK STATUS completed'

and then the same kind of issue as above. This may be enough for me to
be able to give ProtonMail enough information for them to reproduce
locally (which they have not been able to do before).

ProtonMail uses labels rather than real IMAP folders on their servers,
so perhaps the bridge is causing some confusion in the junk/trash
labelling (their junk and trash folders as presented by evolution allow
per mail deletion, unlike real IMAP servers that I connect to so that
seem to be behaving differently).

Having docs to read to understand this better will still help me
though.

thanks
Dan Kortschak


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On Tue, 2020-05-26 at 14:57 +0200, Dan Kortschak wrote:
> > The relevant output from CAMEL_DEBUG=imapx:io is as follows:
> >
> > [imapx:A] I/O: 'A00133 UID STORE 338 -FLAGS.SILENT (\DELETED)'
> > [imapx:A] I/O: 'A00133 OK UID STORE completed'

        Hi,
if you still have the log, what is the preceding SELECT command,
please? It seems to me the selected folder (mailbox) is somehow
modified.

>
> [imapx:A] I/O: 'A00170 UID MOVE 3533 Spam'
> [imapx:A] I/O: '* 3177 FETCH (FLAGS ($junk junk) UID 3533)'
> [imapx:A] I/O: '* 3177 EXISTS'
> [imapx:A] I/O: '* OK [UNSEEN 3] '
> [imapx:A] I/O: 'A00170 NO Label does not exist'

If I understand it correctly, it means they advertise the Spam as a
Junk folder, but do not let you move messages into it. When you open
the mail account Properties, there's an option to use the real Junk (or
Trash) folders on the Defaults tab, which is set for you after the
account is configured if the server advertises such folders. I would
try to not use real Junk folder, which will stop trying to move
messages to that folder in Evolution, though it may have some other
side effects too, like the spam you mark as such in Evolution would not
be recognized by the server as spam (I'm not sure what the server will
do with a message, which has just set the "JUNK" flag).

> Having docs to read to understand this better will still help me
> though.

I'm not sure what documentation you'd like to read, the IMAP 4rev1 is:
https://tools.ietf.org/html/rfc3501.html
with the following additions, extensions and the like. I do not think
it's really something you should care of, as a user.
        Bye,
        Milan

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On Wed, 2020-05-27 at 07:14 +0200, Milan Crha via evolution-list wrote:

> On Tue, 2020-05-26 at 14:57 +0200, Dan Kortschak wrote:
> > > The relevant output from CAMEL_DEBUG=imapx:io is as follows:
> > >
> > > [imapx:A] I/O: 'A00133 UID STORE 338 -FLAGS.SILENT (\DELETED)'
> > > [imapx:A] I/O: 'A00133 OK UID STORE completed'
>
> Hi,
> if you still have the log, what is the preceding SELECT command,
> please? It seems to me the selected folder (mailbox) is somehow
> modified.
>

I will replicate this again, that has been lost.

> >
> > [imapx:A] I/O: 'A00170 UID MOVE 3533 Spam'
> > [imapx:A] I/O: '* 3177 FETCH (FLAGS ($junk junk) UID 3533)'
> > [imapx:A] I/O: '* 3177 EXISTS'
> > [imapx:A] I/O: '* OK [UNSEEN 3] '
> > [imapx:A] I/O: 'A00170 NO Label does not exist'
>
> If I understand it correctly, it means they advertise the Spam as a
> Junk folder, but do not let you move messages into it. When you open
> the mail account Properties, there's an option to use the real Junk
> (or
> Trash) folders on the Defaults tab, which is set for you after the
> account is configured if the server advertises such folders. I would
> try to not use real Junk folder, which will stop trying to move
> messages to that folder in Evolution, though it may have some other
> side effects too, like the spam you mark as such in Evolution would
> not
> be recognized by the server as spam (I'm not sure what the server
> will
> do with a message, which has just set the "JUNK" flag).

Thanks, that makes sense. I had similar thoughts, so tried setting Junk
to not be real and trash as well, though this has interesting outcomes.
I don't see the problems that I originally saw, but now see two real
folders, "Spam" and "Trash". If I have the "Spam" folder subscribed to
then I see duplicated messages in the Junk non-real folder, but don't
see this if it is not subscribed to. Both "Spam" and "Trash" are
automatically subscribed to on start up even if they have been
unsubscribed. Further they cannot be deleted. Additionally, emptying
the non-real Trash does not expunge messages from the trash.

>
> > Having docs to read to understand this better will still help me
> > though.
>
> I'm not sure what documentation you'd like to read, the IMAP 4rev1
> is:
> https://tools.ietf.org/html/rfc3501.html
> with the following additions, extensions and the like. I do not think
> it's really something you should care of, as a user.
> Bye,
> Milan
>

thanks
Dan Kortschak


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On Wed, 2020-05-27 at 06:11 +0000, Dan Kortschak via evolution-list
wrote:

> On Wed, 2020-05-27 at 07:14 +0200, Milan Crha via evolution-list
> wrote:
> > On Tue, 2020-05-26 at 14:57 +0200, Dan Kortschak wrote:
> > > > The relevant output from CAMEL_DEBUG=imapx:io is as follows:
> > > >
> > > > [imapx:A] I/O: 'A00133 UID STORE 338 -FLAGS.SILENT (\DELETED)'
> > > > [imapx:A] I/O: 'A00133 OK UID STORE completed'
> >
> > Hi,
> > if you still have the log, what is the preceding SELECT command,
> > please? It seems to me the selected folder (mailbox) is somehow
> > modified.
> >
>
> I will replicate this again, that has been lost.
>

Here is a hopefully reasonably summarised event (email bodies have been
removed and screeds of FETCHs have been truncated. This was the output
from seeing a junk item arrive, changing to different folders and then
deleting the junk item.

thanks
Dan Kortschak

```
[imapx:A] I/O: 'A00224 OK Completed (0.001 secs)'
[imapx:A] I/O: 'A00225 STATUS Spam (MESSAGES UNSEEN UIDVALIDITY
UIDNEXT)'
[imapx:A] I/O: '* STATUS Spam (MESSAGES 3 UNSEEN 1 UIDVALIDITY 4
UIDNEXT 14)'
[imapx:A] I/O: 'A00225 OK STATUS completed'
[imapx:A] I/O: 'A00226 SELECT Spam'
[imapx:A] I/O: '* OK [UIDNEXT 14] Predicted next UID'
[imapx:A] I/O: '* OK [UIDVALIDITY 4] UIDs valid'
[imapx:A] I/O: '* FLAGS ()'
[imapx:A] I/O: '* OK [PERMANENTFLAGS (\Seen \SEEN \Flagged \FLAGGED
\Deleted \DELETED \Draft \DRAFT $junk junk nonjunk)] Flags permitted.'
[imapx:A] I/O: '* 3 EXISTS'
[imapx:A] I/O: '* 0 RECENT'
[imapx:A] I/O: '* OK [UNSEEN 1] '
[imapx:A] I/O: 'A00226 OK [READ-WRITE] SELECT completed'
[imapx:A] I/O: 'A00227 UID FETCH 3:* (UID FLAGS)'
[imapx:A] I/O: '* 3 FETCH (UID 13 FLAGS ($junk junk))'
[imapx:A] I/O: 'A00227 OK UID FETCH completed'
[imapx:A] I/O: 'A00228 UID FETCH 13 (RFC822.SIZE RFC822.HEADER FLAGS)'
[imapx:A] I/O: '* 3 FETCH (RFC822.SIZE 16049 RFC822.HEADER {5453}
<snip>'
[imapx:A] I/O: '<snip>'
[imapx:A] I/O: ' FLAGS ($junk junk) UID 13)'
[imapx:A] I/O: 'A00228 OK UID FETCH completed'
[imapx:A] I/O: 'A00229 UID FETCH 1:3 (UID FLAGS)'
[imapx:A] I/O: '* 1 FETCH (UID 1 FLAGS (\Seen $junk junk))'
[imapx:A] I/O: '* 2 FETCH (UID 2 FLAGS (\Seen $junk junk))'
[imapx:A] I/O: 'A00229 OK UID FETCH completed'
[imapx:B] I/O: 'B00230 STATUS INBOX (MESSAGES UNSEEN UIDVALIDITY
UIDNEXT)'
[imapx:B] I/O: '* STATUS INBOX (UNSEEN 3 UIDVALIDITY 4 UIDNEXT 3230
MESSAGES 2813)'
[imapx:B] I/O: 'B00230 OK STATUS completed'
[imapx:A] I/O: 'A00231 STATUS "All Mail" (MESSAGES UNSEEN UIDVALIDITY
UIDNEXT)'
[imapx:A] I/O: '* STATUS "All Mail" (MESSAGES 3183 UNSEEN 4 UIDVALIDITY
4 UIDNEXT 3650)'
[imapx:A] I/O: 'A00231 OK STATUS completed'
[imapx:A] I/O: 'A00232 SELECT "All Mail"'
[imapx:A] I/O: '* OK [UNSEEN 4] '
[imapx:A] I/O: '* OK [UIDNEXT 3650] Predicted next UID'
[imapx:A] I/O: '* OK [UIDVALIDITY 4] UIDs valid'
[imapx:A] I/O: '* FLAGS ()'
[imapx:A] I/O: '* OK [PERMANENTFLAGS (\Seen \SEEN \Flagged \FLAGGED
\Deleted \DELETED \Draft \DRAFT $junk junk nonjunk)] Flags permitted.'
[imapx:A] I/O: '* 3183 EXISTS'
[imapx:A] I/O: '* 0 RECENT'
[imapx:A] I/O: 'A00232 OK [READ-WRITE] SELECT completed'
[imapx:A] I/O: 'A00233 UID FETCH 3646:* (UID FLAGS)'
[imapx:A] I/O: '* 3182 FETCH (UID 3647 FLAGS ($junk junk))'
[imapx:A] I/O: '* 3183 FETCH (UID 3649 FLAGS (\Seen nonjunk))'
[imapx:A] I/O: 'A00233 OK UID FETCH completed'
[imapx:A] I/O: 'A00234 UID FETCH 3649,3647 (RFC822.SIZE RFC822.HEADER
FLAGS)'
[imapx:A] I/O: '* 3182 FETCH (RFC822.SIZE 16049 RFC822.HEADER {5452}
<snip>'
[imapx:A] I/O: '<snip>'
[imapx:A] I/O: ' FLAGS ($junk junk) UID 3647)'
[imapx:A] I/O: '* 3183 FETCH (RFC822.SIZE 6537 RFC822.HEADER {1472}
<snip>'
[imapx:A] I/O: 'A00234 OK UID FETCH completed'
[imapx:A] I/O: 'A00235 UID FETCH 1:3646 (UID FLAGS)'
[imapx:A] I/O: '* 1 FETCH (UID 4 FLAGS (\Seen nonjunk))'
[imapx:A] I/O: '* 2 FETCH (UID 7 FLAGS (\Seen nonjunk))'

<snip>

[imapx:A] I/O: 'A00235 OK UID FETCH completed'
[imapx:B] I/O: 'B00236 STATUS Spam (MESSAGES UNSEEN UIDVALIDITY
UIDNEXT)'
[imapx:B] I/O: '* STATUS Spam (MESSAGES 3 UNSEEN 1 UIDVALIDITY 4
UIDNEXT 14)'
[imapx:B] I/O: 'B00236 OK STATUS completed'
[imapx:A] I/O: 'A00237 UID MOVE 3647 Spam'
[imapx:A] I/O: '* 3182 FETCH (FLAGS ($junk junk) UID 3647)'
[imapx:A] I/O: '* 3183 EXISTS'
[imapx:A] I/O: '* OK [UNSEEN 4] '
[imapx:A] I/O: 'A00237 NO Label does not exist'


<lost due to inadequate scroll-back>


[imapx:A] I/O: 'A00246 SELECT Spam'
[imapx:A] I/O: '* 3 EXISTS'
[imapx:A] I/O: '* 0 RECENT'
[imapx:A] I/O: '* OK [UNSEEN 1] '
[imapx:A] I/O: '* OK [UIDNEXT 14] Predicted next UID'
[imapx:A] I/O: '* OK [UIDVALIDITY 4] UIDs valid'
[imapx:A] I/O: '* FLAGS ()'
[imapx:A] I/O: '* OK [PERMANENTFLAGS (\Seen \SEEN \Flagged \FLAGGED
\Deleted \DELETED \Draft \DRAFT $junk junk nonjunk)] Flags permitted.'
[imapx:A] I/O: 'A00246 OK [READ-WRITE] SELECT completed'
[imapx:A] I/O: 'A00247 UID FETCH 13 (BODY.PEEK[])'
[imapx:A] I/O: '* 3 FETCH (BODY[] {16049} <snip>'
[imapx:A] I/O: ' UID 13)'
[imapx:A] I/O: 'A00247 OK UID FETCH completed'
[imapx:A] I/O: 'A00248 UID STORE 13 +FLAGS.SILENT (\SEEN)'
[imapx:B] I/O: 'B00249 STATUS INBOX (MESSAGES UNSEEN UIDVALIDITY
UIDNEXT)'
[imapx:B] I/O: '* STATUS INBOX (MESSAGES 2813 UNSEEN 3 UIDVALIDITY 4
UIDNEXT 3230)'
[imapx:B] I/O: 'B00249 OK STATUS completed'
[imapx:B] I/O: 'B00250 STATUS "All Mail" (MESSAGES UNSEEN UIDVALIDITY
UIDNEXT)'
[imapx:B] I/O: '* STATUS "All Mail" (UIDVALIDITY 4 UIDNEXT 3650
MESSAGES 3183 UNSEEN 4)'
[imapx:B] I/O: 'B00250 OK STATUS completed'
[imapx:B] I/O: 'B00251 SELECT "All Mail"'
[imapx:A] I/O: '* 3 EXISTS'
[imapx:A] I/O: '* OK [UNSEEN 0] '
[imapx:B] I/O: '* OK [UIDVALIDITY 4] UIDs valid'
[imapx:B] I/O: '* FLAGS ()'
[imapx:B] I/O: '* OK [PERMANENTFLAGS (\Seen \SEEN \Flagged \FLAGGED
\Deleted \DELETED \Draft \DRAFT $junk junk nonjunk)] Flags permitted.'
[imapx:B] I/O: '* 3183 EXISTS'
[imapx:B] I/O: '* 0 RECENT'
[imapx:B] I/O: '* OK [UNSEEN 4] '
[imapx:B] I/O: '* OK [UIDNEXT 3650] Predicted next UID'
[imapx:B] I/O: 'B00251 OK [READ-WRITE] SELECT completed'
[imapx:A] I/O: 'A00248 OK UID STORE completed'
[imapx:B] I/O: 'B00252 UID FETCH 3650:* (UID FLAGS)'
[imapx:B] I/O: '* 3183 EXISTS'
[imapx:B] I/O: '* OK [UNSEEN 3] '
[imapx:B] I/O: '* 2437 FETCH (UID 2556 FLAGS (\Seen nonjunk))'
[imapx:B] I/O: 'B00252 OK UID FETCH completed'
[imapx:B] I/O: 'B00253 UID FETCH 1:3650 (UID FLAGS)'
[imapx:B] I/O: '* 1 FETCH (UID 4 FLAGS (\Seen nonjunk))'
[imapx:B] I/O: '* 2 FETCH (UID 7 FLAGS (\Seen nonjunk))'

<snip>

[imapx:B] I/O: 'B00253 OK UID FETCH completed'
[imapx:A] I/O: 'A00254 SELECT "All Mail"'
[imapx:A] I/O: '* 0 RECENT'
[imapx:A] I/O: '* OK [UNSEEN 3] '
[imapx:A] I/O: '* OK [UIDNEXT 3650] Predicted next UID'
[imapx:A] I/O: '* OK [UIDVALIDITY 4] UIDs valid'
[imapx:A] I/O: '* FLAGS ()'
[imapx:A] I/O: '* OK [PERMANENTFLAGS (\Seen \SEEN \Flagged \FLAGGED
\Deleted \DELETED \Draft \DRAFT $junk junk nonjunk)] Flags permitted.'
[imapx:A] I/O: '* 3183 EXISTS'
[imapx:A] I/O: 'A00254 OK [READ-WRITE] SELECT completed'
[imapx:A] I/O: 'A00255 UID MOVE 3647 Spam'
[imapx:A] I/O: 'A00255 NO Label does not exist'
[imapx:A] I/O: 'A00256 STATUS Trash (MESSAGES UNSEEN UIDVALIDITY
UIDNEXT)'
[imapx:A] I/O: '* STATUS Trash (MESSAGES 0 UNSEEN 0 UIDVALIDITY 4
UIDNEXT 453)'
[imapx:A] I/O: 'A00256 OK STATUS completed'
[imapx:A] I/O: 'A00257 STATUS INBOX (MESSAGES UNSEEN UIDVALIDITY
UIDNEXT)'
[imapx:A] I/O: '* STATUS INBOX (MESSAGES 2813 UNSEEN 3 UIDVALIDITY 4
UIDNEXT 3230)'
[imapx:A] I/O: 'A00257 OK STATUS completed'
[imapx:A] I/O: 'A00258 NOOP'
[imapx:A] I/O: 'A00258 OK NOOP completed'
[imapx:A] I/O: 'A00259 UID FETCH 3650:* (UID FLAGS)'
[imapx:A] I/O: '* 2437 FETCH (UID 2556 FLAGS (\Seen nonjunk))'
[imapx:A] I/O: 'A00259 OK UID FETCH completed'
[imapx:A] I/O: 'A00260 UID FETCH 1:3650 (UID FLAGS)'
[imapx:A] I/O: '* 1 FETCH (UID 4 FLAGS (\Seen nonjunk))'
[imapx:A] I/O: '* 2 FETCH (UID 7 FLAGS (\Seen nonjunk))'

<snip>

[imapx:A] I/O: 'A00260 OK UID FETCH completed'
[imapx:A] I/O: 'A00261 STATUS Spam (MESSAGES UNSEEN UIDVALIDITY
UIDNEXT)'
[imapx:A] I/O: '* STATUS Spam (UNSEEN 0 UIDVALIDITY 4 UIDNEXT 14
MESSAGES 3)'
[imapx:A] I/O: 'A00261 OK STATUS completed'
[imapx:A] I/O: 'A00262 STATUS Trash (MESSAGES UNSEEN UIDVALIDITY
UIDNEXT)'
[imapx:A] I/O: '* STATUS Trash (UNSEEN 0 UIDVALIDITY 4 UIDNEXT 453
MESSAGES 0)'
[imapx:A] I/O: 'A00262 OK STATUS completed'
[imapx:A] I/O: 'A00263 STATUS INBOX (MESSAGES UNSEEN UIDVALIDITY
UIDNEXT)'
[imapx:A] I/O: '* STATUS INBOX (MESSAGES 2813 UNSEEN 3 UIDVALIDITY 4
UIDNEXT 3230)'
[imapx:A] I/O: 'A00263 OK STATUS completed'
[imapx:A] I/O: 'A00264 NOOP'
[imapx:A] I/O: 'A00264 OK NOOP completed'
[imapx:A] I/O: 'A00265 UID FETCH 3650:* (UID FLAGS)'
[imapx:A] I/O: '* 2437 FETCH (UID 2556 FLAGS (\Seen nonjunk))'
[imapx:A] I/O: 'A00265 OK UID FETCH completed'
[imapx:A] I/O: 'A00266 UID FETCH 1:3650 (UID FLAGS)'
[imapx:A] I/O: '* 1 FETCH (UID 4 FLAGS (\Seen nonjunk))'
[imapx:A] I/O: '* 2 FETCH (UID 7 FLAGS (\Seen nonjunk))'

<snip>

[imapx:A] I/O: 'A00266 OK UID FETCH completed'
[imapx:A] I/O: 'A00267 STATUS Trash (MESSAGES UNSEEN UIDVALIDITY
UIDNEXT)'
[imapx:A] I/O: '* STATUS Trash (UIDNEXT 453 MESSAGES 0 UNSEEN 0
UIDVALIDITY 4)'
[imapx:A] I/O: 'A00267 OK STATUS completed'
[imapx:A] I/O: 'A00268 STATUS Spam (MESSAGES UNSEEN UIDVALIDITY
UIDNEXT)'
[imapx:A] I/O: '* STATUS Spam (UIDNEXT 14 MESSAGES 3 UNSEEN 0
UIDVALIDITY 4)'
[imapx:A] I/O: 'A00268 OK STATUS completed'
[imapx:A] I/O: 'A00269 SELECT Spam'
[imapx:A] I/O: '* OK [UIDVALIDITY 4] UIDs valid'
[imapx:A] I/O: '* FLAGS ()'
[imapx:A] I/O: '* OK [PERMANENTFLAGS (\Seen \SEEN \Flagged \FLAGGED
\Deleted \DELETED \Draft \DRAFT $junk junk nonjunk)] Flags permitted.'
[imapx:A] I/O: '* 3 EXISTS'
[imapx:A] I/O: '* 0 RECENT'
[imapx:A] I/O: '* OK [UNSEEN 0] '
[imapx:A] I/O: '* OK [UIDNEXT 14] Predicted next UID'
[imapx:A] I/O: 'A00269 OK [READ-WRITE] SELECT completed'
[imapx:A] I/O: 'A00270 UID MOVE 13 Trash'
[imapx:A] I/O: '* 3 EXPUNGE'
[imapx:A] I/O: 'A00270 OK [COPYUID 4 13 453] COPY completed'
[imapx:B] I/O: 'B00271 SELECT Trash'
[imapx:C] I/O: '* OK [CAPABILITY IMAP4rev1 STARTTLS AUTH=PLAIN
AUTH=LOGIN ID APPENDLIMIT] IMAP4rev1 Service Ready'
[imapx:C] I/O: 'C00272 STARTTLS'
[imapx:B] I/O: '* 3182 FETCH (FLAGS (\Seen nonjunk) UID 3647)'
[imapx:C] I/O: 'C00272 OK Begin TLS negotiation now'
[imapx:B] I/O: '* 3183 EXISTS'
[imapx:B] I/O: '* OK [UNSEEN 3] '
[imapx:B] I/O: '* OK [UNSEEN 0] '
[imapx:B] I/O: '* OK [UIDNEXT 454] Predicted next UID'
[imapx:B] I/O: '* OK [UIDVALIDITY 4] UIDs valid'
[imapx:B] I/O: '* FLAGS ()'
[imapx:C] I/O: ''
[imapx:B] I/O: '* OK [PERMANENTFLAGS (\Seen \SEEN \Flagged \FLAGGED
\Deleted \DELETED \Draft \DRAFT $junk junk nonjunk)] Flags permitted.'
[imapx:C] I/O: 'C00273 CAPABILITY'
[imapx:B] I/O: '* 1 EXISTS'
[imapx:B] I/O: '* 0 RECENT'
[imapx:B] I/O: 'B00271 OK [READ-WRITE] SELECT completed'
[imapx:C] I/O: '* CAPABILITY IMAP4rev1 AUTH=PLAIN AUTH=LOGIN ID
APPENDLIMIT'
[imapx:C] I/O: '* CAPABILITY IMAP4rev1 AUTH=PLAIN AUTH=LOGIN ID
APPENDLIMIT'
[imapx:C] I/O: 'C00273 OK CAPABILITY completed'
[imapx:C] I/O: 'C00274 LOGIN ...'
[imapx:C] I/O: 'C00274 OK [CAPABILITY IMAP4rev1 IDLE MOVE SPECIAL-USE
ID QUOTA APPENDLIMIT=26214400 UNSELECT UIDPLUS] LOGIN completed'
[imapx:C] I/O: 'C00275 LIST "" INBOX'
[imapx:C] I/O: '* LIST (\Noinferiors) "/" "INBOX"'
[imapx:C] I/O: 'C00275 OK LIST completed'
[imapx:C] I/O: 'C00276 LSUB "" INBOX'
[imapx:C] I/O: '* LSUB (\Noinferiors) "/" "INBOX"'
[imapx:C] I/O: 'C00276 OK LSUB completed'
[imapx:A] I/O: 'A00277 STATUS INBOX (MESSAGES UNSEEN UIDVALIDITY
UIDNEXT)'
[imapx:B] I/O: 'B00278 UID STORE 453 -FLAGS.SILENT (\DELETED)'
[imapx:C] I/O: 'C00279 STATUS "All Mail" (MESSAGES UNSEEN UIDVALIDITY
UIDNEXT)'
[imapx:A] I/O: '* STATUS INBOX (UIDVALIDITY 4 UIDNEXT 3230 MESSAGES
2813 UNSEEN 3)'
[imapx:A] I/O: 'A00277 OK STATUS completed'
[imapx:B] I/O: 'B00278 OK UID STORE completed'
[imapx:B] I/O: 'B00280 UID STORE 453 -FLAGS.SILENT (JUNK)'
[imapx:B] I/O: 'B00280 NO mailbox 4 does not exist'
[imapx:A] I/O: 'A00281 EXPUNGE'
[imapx:A] I/O: 'A00281 OK EXPUNGE completed'
[imapx:A] I/O: 'A00282 SELECT Trash'
[imapx:A] I/O: '* FLAGS ()'
[imapx:A] I/O: '* OK [PERMANENTFLAGS (\Seen \SEEN \Flagged \FLAGGED
\Deleted \DELETED \Draft \DRAFT $junk junk nonjunk)] Flags permitted.'
[imapx:A] I/O: '* 1 EXISTS'
[imapx:A] I/O: '* 0 RECENT'
[imapx:A] I/O: '* OK [UNSEEN 0] '
[imapx:A] I/O: '* OK [UIDNEXT 454] Predicted next UID'
[imapx:A] I/O: '* OK [UIDVALIDITY 4] UIDs valid'
[imapx:A] I/O: 'A00282 OK [READ-WRITE] SELECT completed'
[imapx:A] I/O: 'A00283 UID STORE 453 -FLAGS.SILENT (\DELETED)'
[imapx:A] I/O: 'A00283 OK UID STORE completed'
[imapx:A] I/O: 'A00284 UID STORE 453 -FLAGS.SILENT (JUNK)'
[imapx:A] I/O: 'A00284 NO mailbox 4 does not exist'
[imapx:C] I/O: '* STATUS "All Mail" (MESSAGES 3183 UNSEEN 3 UIDVALIDITY
4 UIDNEXT 3650)'
[imapx:C] I/O: 'C00279 OK STATUS completed'
[imapx:A] I/O: 'A00285 UID STORE 453 -FLAGS.SILENT (\DELETED)'
[imapx:A] I/O: 'A00285 OK UID STORE completed'
[imapx:A] I/O: 'A00286 UID STORE 453 -FLAGS.SILENT (JUNK)'
[imapx:A] I/O: 'A00286 NO mailbox 4 does not exist'
[imapx:A] I/O: 'A00287 UID STORE 453 -FLAGS.SILENT (\DELETED)'
[imapx:A] I/O: 'A00287 OK UID STORE completed'
[imapx:A] I/O: 'A00288 UID STORE 453 -FLAGS.SILENT (JUNK)'
[imapx:A] I/O: 'A00288 NO mailbox 4 does not exist'
[imapx:A] I/O: 'A00289 STATUS Spam (MESSAGES UNSEEN UIDVALIDITY
UIDNEXT)'
[imapx:A] I/O: '* STATUS Spam (MESSAGES 2 UNSEEN 0 UIDVALIDITY 4
UIDNEXT 14)'
[imapx:A] I/O: 'A00289 OK STATUS completed'
[imapx:A] I/O: 'A00290 UID STORE 453 -FLAGS.SILENT (\DELETED)'
[imapx:A] I/O: 'A00290 OK UID STORE completed'
[imapx:A] I/O: 'A00291 UID STORE 453 -FLAGS.SILENT (JUNK)'
[imapx:A] I/O: 'A00291 NO mailbox 4 does not exist'
```

> > >
> > > [imapx:A] I/O: 'A00170 UID MOVE 3533 Spam'
> > > [imapx:A] I/O: '* 3177 FETCH (FLAGS ($junk junk) UID 3533)'
> > > [imapx:A] I/O: '* 3177 EXISTS'
> > > [imapx:A] I/O: '* OK [UNSEEN 3] '
> > > [imapx:A] I/O: 'A00170 NO Label does not exist'
> >
> > If I understand it correctly, it means they advertise the Spam as a
> > Junk folder, but do not let you move messages into it. When you
> > open
> > the mail account Properties, there's an option to use the real Junk
> > (or
> > Trash) folders on the Defaults tab, which is set for you after the
> > account is configured if the server advertises such folders. I
> > would
> > try to not use real Junk folder, which will stop trying to move
> > messages to that folder in Evolution, though it may have some other
> > side effects too, like the spam you mark as such in Evolution would
> > not
> > be recognized by the server as spam (I'm not sure what the server
> > will
> > do with a message, which has just set the "JUNK" flag).
>
> Thanks, that makes sense. I had similar thoughts, so tried setting
> Junk
> to not be real and trash as well, though this has interesting
> outcomes.
> I don't see the problems that I originally saw, but now see two real
> folders, "Spam" and "Trash". If I have the "Spam" folder subscribed
> to
> then I see duplicated messages in the Junk non-real folder, but don't
> see this if it is not subscribed to. Both "Spam" and "Trash" are
> automatically subscribed to on start up even if they have been
> unsubscribed. Further they cannot be deleted. Additionally, emptying
> the non-real Trash does not expunge messages from the trash.
>
> >
> > > Having docs to read to understand this better will still help me
> > > though.
> >
> > I'm not sure what documentation you'd like to read, the IMAP 4rev1
> > is:
> > https://tools.ietf.org/html/rfc3501.html
> > with the following additions, extensions and the like. I do not
> > think
> > it's really something you should care of, as a user.
> > Bye,
> > Milan
> >
>
>
> thanks
> Dan Kortschak
>
>
> _______________________________________________
> evolution-list mailing list
> [hidden email]
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On Wed, 2020-05-27 at 13:56 +0200, Dan Kortschak wrote:

> [imapx:A] I/O: 'A00226 SELECT Spam'
> [imapx:A] I/O: '* OK [UIDNEXT 14] Predicted next UID'
> [imapx:A] I/O: '* OK [UIDVALIDITY 4] UIDs valid'
> [imapx:A] I/O: '* FLAGS ()'
> [imapx:A] I/O: '* OK [PERMANENTFLAGS (\Seen \SEEN \Flagged \FLAGGED
> \Deleted \DELETED \Draft \DRAFT $junk junk nonjunk)] Flags
> permitted.'
> [imapx:A] I/O: '* 3 EXISTS'
> [imapx:A] I/O: '* 0 RECENT'
> [imapx:A] I/O: '* OK [UNSEEN 1] '
> [imapx:A] I/O: 'A00226 OK [READ-WRITE] SELECT completed'
> ...
> [imapx:A] I/O: 'A00237 UID MOVE 3647 Spam'
> [imapx:A] I/O: '* 3182 FETCH (FLAGS ($junk junk) UID 3647)'
> [imapx:A] I/O: '* 3183 EXISTS'
> [imapx:A] I/O: '* OK [UNSEEN 4] '
> [imapx:A] I/O: 'A00237 NO Label does not exist'

        Hi,
the above shows that the 'Spam' folder can be selected, but one cannot
move messages into it. Is it auto-populated by the server with the Junk
flag? Maybe it is a server-side virtual folder.

> [imapx:A] I/O: 'A00270 UID MOVE 13 Trash'
> [imapx:A] I/O: '* 3 EXPUNGE'
> [imapx:A] I/O: 'A00270 OK [COPYUID 4 13 453] COPY completed'

This successfully moves a message to Trash folder on connect 'A'.
Meanwhile had been made connection 'B' (and 'C').

> [imapx:B] I/O: 'B00271 SELECT Trash'
> [imapx:B] I/O: '* 3182 FETCH (FLAGS (\Seen nonjunk) UID 3647)'
> [imapx:B] I/O: '* 3183 EXISTS'
> [imapx:B] I/O: '* OK [UNSEEN 3] '
> [imapx:B] I/O: '* OK [UNSEEN 0] '
> [imapx:B] I/O: '* OK [UIDNEXT 454] Predicted next UID'
> [imapx:B] I/O: '* OK [UIDVALIDITY 4] UIDs valid'
> [imapx:B] I/O: '* FLAGS ()'
> [imapx:B] I/O: '* OK [PERMANENTFLAGS (\Seen \SEEN \Flagged \FLAGGED
> \Deleted \DELETED \Draft \DRAFT $junk junk nonjunk)] Flags
> permitted.'
> [imapx:B] I/O: '* 1 EXISTS'
> [imapx:B] I/O: '* 0 RECENT'
> [imapx:B] I/O: 'B00271 OK [READ-WRITE] SELECT completed'

The connection 'B' has selected the Trash folder now.

> [imapx:B] I/O: 'B00278 UID STORE 453 -FLAGS.SILENT (\DELETED)'
> [imapx:B] I/O: 'B00278 OK UID STORE completed'
> [imapx:B] I/O: 'B00280 UID STORE 453 -FLAGS.SILENT (JUNK)'
> [imapx:B] I/O: 'B00280 NO mailbox 4 does not exist'

IMAPx wants to unset \Deleted and Junk flags on the just moved message,
because it's in the Trash folder, where the \Deleted flag doesn't make
much sense. It succeeded with the \Deleted flag, but failed with the
Junk flag.

It seems to me that the server treats the Spam and Trash folders very
specifically, the same as the Junk flag. Why it errors out this way
might be a question for them.

With respect of the real versus virtual Trash/Junk folders, unless the
server forces subscription of these folders you can check "Show only
subscribed folders" option in the account Properties->Receiving Options
tab (which is unchecked by default), and it'll show you only subscribed
folders. Which they are can be seen in Folder->Subscriptions for that
account.

I didn't get whether using virtual trash/junk behaves properly for the
Trash/Spam sever-side folders or not. If it does weird things, then
rather stay with the real folders. I'd definitely try to contact them
and ask them about these errors. Feel free to use my text from above,
which may or may not help them from the technical point of view.

Maybe there are IMAP clients not showing these errors, but I'd be
afraid that such clients just hide these errors from the user,
pretending everything worked fine. Of course, I cannot tell for sure
unless having similar communication log. There's always a chance that
the IMAPx provide does something wrong.

        Bye,
        Milan

P.S.: by the way, you can Reply to List (Ctrl+L in Evolution), instead
of Reply to All, the same as I do here, which works better for me.

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On Thu, 2020-05-28 at 09:26 +0200, Milan Crha via evolution-list wrote:

> On Wed, 2020-05-27 at 13:56 +0200, Dan Kortschak wrote:
> > [imapx:A] I/O: 'A00226 SELECT Spam'
> > [imapx:A] I/O: '* OK [UIDNEXT 14] Predicted next UID'
> > [imapx:A] I/O: '* OK [UIDVALIDITY 4] UIDs valid'
> > [imapx:A] I/O: '* FLAGS ()'
> > [imapx:A] I/O: '* OK [PERMANENTFLAGS (\Seen \SEEN \Flagged \FLAGGED
> > \Deleted \DELETED \Draft \DRAFT $junk junk nonjunk)] Flags
> > permitted.'
> > [imapx:A] I/O: '* 3 EXISTS'
> > [imapx:A] I/O: '* 0 RECENT'
> > [imapx:A] I/O: '* OK [UNSEEN 1] '
> > [imapx:A] I/O: 'A00226 OK [READ-WRITE] SELECT completed'
> > ...
> > [imapx:A] I/O: 'A00237 UID MOVE 3647 Spam'
> > [imapx:A] I/O: '* 3182 FETCH (FLAGS ($junk junk) UID 3647)'
> > [imapx:A] I/O: '* 3183 EXISTS'
> > [imapx:A] I/O: '* OK [UNSEEN 4] '
> > [imapx:A] I/O: 'A00237 NO Label does not exist'
>
> Hi,
> the above shows that the 'Spam' folder can be selected, but one
> cannot
> move messages into it. Is it auto-populated by the server with the
> Junk
> flag? Maybe it is a server-side virtual folder.
>
> > [imapx:A] I/O: 'A00270 UID MOVE 13 Trash'
> > [imapx:A] I/O: '* 3 EXPUNGE'
> > [imapx:A] I/O: 'A00270 OK [COPYUID 4 13 453] COPY completed'
>
> This successfully moves a message to Trash folder on connect 'A'.
> Meanwhile had been made connection 'B' (and 'C').
>
> > [imapx:B] I/O: 'B00271 SELECT Trash'
> > [imapx:B] I/O: '* 3182 FETCH (FLAGS (\Seen nonjunk) UID 3647)'
> > [imapx:B] I/O: '* 3183 EXISTS'
> > [imapx:B] I/O: '* OK [UNSEEN 3] '
> > [imapx:B] I/O: '* OK [UNSEEN 0] '
> > [imapx:B] I/O: '* OK [UIDNEXT 454] Predicted next UID'
> > [imapx:B] I/O: '* OK [UIDVALIDITY 4] UIDs valid'
> > [imapx:B] I/O: '* FLAGS ()'
> > [imapx:B] I/O: '* OK [PERMANENTFLAGS (\Seen \SEEN \Flagged \FLAGGED
> > \Deleted \DELETED \Draft \DRAFT $junk junk nonjunk)] Flags
> > permitted.'
> > [imapx:B] I/O: '* 1 EXISTS'
> > [imapx:B] I/O: '* 0 RECENT'
> > [imapx:B] I/O: 'B00271 OK [READ-WRITE] SELECT completed'
>
> The connection 'B' has selected the Trash folder now.
>
> > [imapx:B] I/O: 'B00278 UID STORE 453 -FLAGS.SILENT (\DELETED)'
> > [imapx:B] I/O: 'B00278 OK UID STORE completed'
> > [imapx:B] I/O: 'B00280 UID STORE 453 -FLAGS.SILENT (JUNK)'
> > [imapx:B] I/O: 'B00280 NO mailbox 4 does not exist'
>
> IMAPx wants to unset \Deleted and Junk flags on the just moved
> message,
> because it's in the Trash folder, where the \Deleted flag doesn't
> make
> much sense. It succeeded with the \Deleted flag, but failed with the
> Junk flag.
>
> It seems to me that the server treats the Spam and Trash folders very
> specifically, the same as the Junk flag. Why it errors out this way
> might be a question for them.
>
> With respect of the real versus virtual Trash/Junk folders, unless
> the
> server forces subscription of these folders you can check "Show only
> subscribed folders" option in the account Properties->Receiving
> Options
> tab (which is unchecked by default), and it'll show you only
> subscribed
> folders. Which they are can be seen in Folder->Subscriptions for that
> account.
>
> I didn't get whether using virtual trash/junk behaves properly for
> the
> Trash/Spam sever-side folders or not. If it does weird things, then
> rather stay with the real folders. I'd definitely try to contact them
> and ask them about these errors. Feel free to use my text from above,
> which may or may not help them from the technical point of view.
>
> Maybe there are IMAP clients not showing these errors, but I'd be
> afraid that such clients just hide these errors from the user,
> pretending everything worked fine. Of course, I cannot tell for sure
> unless having similar communication log. There's always a chance that
> the IMAPx provide does something wrong.
>
> Bye,
> Milan
>
> P.S.: by the way, you can Reply to List (Ctrl+L in Evolution),
> instead
> of Reply to All, the same as I do here, which works better for me.
>

Thank you, Milan. This has been very helpful. I will forward the
information on to ProtonMail and hopefully they can use the it to
resolve the problem.

regards
Dan Kortschak


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