Hello Timo,

With dovecot 2.1.rc1 (056934abd2ef) there seems to be something wrong with virtual plugin mailbox search patterns.

I'm using a virtual mailbox 'unread' with the following dovecot-virtual file

$ cat dovecot-virtual
*
   unseen

For testing propose I created the following folders with each containing one unread message

INBOX, INBOX/level1 and INBOX/level1/level2

2.1.rc1 (056934abd2ef)

1 LIST "" "*"
* LIST (\HasChildren) "/" "INBOX"
* LIST (\HasChildren) "/" "INBOX/level1"
* LIST (\HasNoChildren) "/" "INBOX/level1/level2"
* LIST (\HasChildren) "/" "virtual"
* LIST (\HasNoChildren) "/" "virtual/unread"
1 OK List completed.
2 STATUS "INBOX" (UNSEEN)
* STATUS "INBOX" (UNSEEN 1)
2 OK Status completed.
3 STATUS "INBOX/level1" (UNSEEN)
* STATUS "INBOX/level1" (UNSEEN 1)
3 OK Status completed.
4 STATUS "INBOX/level1/level2" (UNSEEN)
* STATUS "INBOX/level1/level2" (UNSEEN 1)
4 OK Status completed.
5 STATUS "virtual/unread" (UNSEEN)
* STATUS "virtual/unread" (UNSEEN 1)
5 OK Status completed.

Result: virtual/unread shows only 1 unseen message. Further tests showed it's the one from INBOX. The mails from the deeper levels are not found.

Downgrading to 2.0.16 restores the correct behavior:

1 LIST "" "*"
* LIST (\HasChildren) "/" "INBOX"
* LIST (\HasChildren) "/" "INBOX/level1"
* LIST (\HasNoChildren) "/" "INBOX/level1/level2"
* LIST (\HasChildren) "/" "virtual"
* LIST (\HasNoChildren) "/" "virtual/unread"
1 OK List completed.
2 STATUS "INBOX" (UNSEEN)
* STATUS "INBOX" (UNSEEN 1)
2 OK Status completed.
3 STATUS "INBOX/level1" (UNSEEN)
* STATUS "INBOX/level1" (UNSEEN 1)
3 OK Status completed.
4 STATUS "INBOX/level1/level2" (UNSEEN)
* STATUS "INBOX/level1/level2" (UNSEEN 1)
4 OK Status completed.
5 STATUS "virtual/unread" (UNSEEN)
* STATUS "virtual/unread" (UNSEEN 3)
5 OK Status completed.

Result: virtual/unread shows 3 unseen messages as it should

The namespace configuration is as following

namespace {
  hidden = no
  inbox = yes
  list = yes
  location =
  prefix =
  separator = /
  subscriptions = yes
  type = private
}
namespace {
  location = virtual:~/virtual
  prefix = virtual/
  separator = /
  subscriptions = no
  type = private
}

I've also tried this with location = virtual:~/virtual:LAYOUT=maildir++ leading to the same result.

Thanks,
e-frog

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