Dovecot login is slow

[Aki Tuomi]

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