[Dovecot] Deleted messages reappearing

[Oscar del Rio]

On 11/13/13 10:05 AM, Joseba Torre wrote:
> On Wed, Nov 13, 2013 at 09:56:17AM -0500, Oscar del Rio wrote:
>> On 11/13/13 09:23 AM, Joseba Torre wrote:
>>> in the last days, probably since I upgraded to 2.2.7, I'm seeing lots of
>>> deleted messages reappearing in my folders. This is after this error in
>>> the log:
>> You should post more details, such as what kind of storage you are
>> using (NFS?) and your dovecot configuration.
> Yes, I'm using NFS, but this exact configuration has been working for a
> long time and I've never seen this error previously. That's why I think
> it's related to the upgrade.

Sometimes configuration problems only reveal themselves after upgrades 
to the software or the OS.

> Anyway, here is my conf
>
> # 2.2.7: /etc/dovecot/dovecot.conf
> # OS: Linux 2.6.32-358.23.2.el6.x86_64 x86_64 Red Hat Enterprise Linux Server release 6.4 (Santiago)
> auth_cache_negative_ttl = 5 mins
> auth_cache_size = 10 M
> auth_master_user_separator = *
> default_client_limit = 4000
> default_process_limit = 500
> first_valid_uid = 200
> lda_mailbox_autocreate = yes
> lock_method = dotlock
> login_trusted_networks = ip1,ip2
> mail_plugins = quota
> managesieve_notify_capability = mailto
> managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date ihave imapflags
>

No mail_location or index defined? (or you trimmed the post?)
Don't you need "mmap_disable = yes" with NFS?
http://wiki2.dovecot.org/NFS

I had similar errors when deploying dovecot for the first time and 
didn't use the correct NFS settings listed in the above page.