As https://doc.dovecot.org/configuration_manual/service_configuration/#client-limit says, 0 means to apply default_client_limit, which defaults to 100.
Aki > On 16/08/2022 20:11 EEST fil...@digirati.com.br <fil...@digirati.com.br> > wrote: > > > currently the client_limt is at zero, and I believe this is unlimited > > service config { > chroot = > client_limit = 0 > drop_priv_before_exec = no > executable = config > extra_groups = > group = > idle_kill = 1 mins > privileged_group = > process_limit = 0 > process_min_avail = 16 > protocol = > service_count = 100 > type = config > unix_listener config { > group = > mode = 0600 > user = > } > user = > vsz_limit = 2 G > } > > On 16/08/2022 18:06, Aki Tuomi wrote: > > Can you try increasing client_limit for service config, to maybe, say, > > 1000? There should be no reason to have lots of multiple config processes, > > so it sounds more like the client limit is being reached.