The dovecot.conf file from CentOS-7 contains this :

--- snip ---
# A comma separated list of IPs or hosts where to listen in for connections.
# "*" listens in all IPv4 interfaces, "::" listens in all IPv6 interfaces.
# If you want to specify non-default ports or anything more complex,
# edit conf.d/master.conf.
#listen = *, ::
--- snip ---

HTH

--
Prasad

On 30/01/18 11:35 PM, Rupert Gallagher wrote:

test-net.c:79: Assert failed: strcmp(net_ip2addr(&ip), "::5") == 0

test-net.c:83: Assert failed: strcmp(net_ip2addr(&ip), "::5") == 0

net_ip2addr() ........................................................ : FAILED

Hello,

Is it possible to disable DOVECOT_IPV6?

We do not use IPv6 (and hope we shall never do on e-mails).