On 30. Mar 2026, at 3.17, sev monster via dovecot <[email protected]> wrote:
>
> As of 2.4.2, Dovecot no longer crashed and broken config vars no longer
> caused it to error out, so I finally (reluctantly) switched to it over 2.3,
> though I had to disable/change a few things to get it to work. However, my
> virtual namespaces were still broken, since the `autosubscribe = yes` option
> would cause the driver to attempt to create the virtual directories, and fail
> when they already existed. Turning off autosubscribe meant that the folders
> were not visible to my users without manually subscribing.
I can't reproduce this. This works fine in my tests:
mail_plugins {
virtual = yes
}
namespace virtual {
mail_driver = virtual
mail_index_path = ~/virtual
mail_path = /etc/dovecot/virtual
hidden = yes
list = yes
prefix = virtual/
separator = /
type = private
mailbox all {
auto = subscribe
}
}
What's your doveconf -n and what's the exact error message you're getting?
> It seems this commit introduced a "feature" that restricts the virtual driver
> to the fs list format:
> https://github.com/dovecot/core/commit/b4a4a32361b8f0e68ef230add6467eddd0fff560
>
> But why? Is fs the only format that works? But maildir++ worked in both 2.3
> and in previous versions of 2.4. The 2.4.3 docs (still) also recommend
> switching to maildir++ if desired:
> https://doc.dovecot.org/2.4.3/core/plugins/virtual.html#virtual-mailbox-plugin-virtual
It was mainly intended to prevent accidentally using "index" layout with it.
I'll see about getting maildir++ back.
> In my config, I use maildir for everything. That means in my mailboxes and
> all my namespaces. But with this change, I must now use fs as my list format
> for the virtuals. But, I can't do that, because all `list = yes` namespaces
> in use by a mailbox must use the same list format...
I'm not sure what you mean by this. Perhaps that the namespace separator must
be the same? That is configurable.
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