Can you try adding blocking=yes to your dovecot-ldap.conf.ext

Aki

On 08.06.2017 11:15, Mitocariu Emilian wrote:

No, other servers use the same LDAP and the response is fast. The weird part is that this morning i played a little with the configuration, but in the end i came back to the settings i had previously and now it works better, but from time to time it still hangs a little

On Thu, Jun 8, 2017 at 11:07 AM, Aki Tuomi mailto:aki.tuomi@dovecot.fi> wrote:

On 07.06.2017 16:34, Mitocariu Emilian wrote:
> Hi,
>
> I have an Ubuntu 16.04 server with dovecot 2.2.22 configured as
an imap
> server with an LDAP backend for authentication. This is the
output of
> "dovecot -n":
> # 2.2.22 (fe789d2): /etc/dovecot/dovecot.conf
> The problem i'm having is that when i try to login it takes more than 10
> seconds, making my webmail very slow. For testing i login to
imap like this
> "openssl s_client -connect localhost:993" and sometimes i get
this message
> "* OK Waiting for authentication master process to respond..". I
saw at
> other people, one of the problem was because they didn't
disabled pam
> authentication when using another backend (like ldap or sql),
but i already
> did that.
>
> Does anyone know what could cause such long login times and how
to fix it?

Does your LDAP take long time to respond?

Aki