> On 09/08/2020 09:15 Lefteris Tsintjelis <[email protected]> wrote: > > > I am using latest Windows Thunderbird 68.11.0 and dovecot 2.3.10.1_2 > with FreeBSD 12.1-RELEASE-p8. Whenever I enable dovecot IPv6 and I try > to login I get auth failed. > > Aug 09 08:36:11 imap-login: Info: Disconnected: Inactivity (auth failed, > 2 attempts in 180 secs): user=<[email protected]>, method=CRAM-MD5, > rip=1:2:3:4::5, lip=1:2:3:6::7, TLS, > session=<HZeFLGusb8IgAQZ8LNQAEgAAAAAAAAAC> > > Switching dovecot back to IPv4 only (listen = *) starts to work as > expected. Roundcube seems to also have the same problem whenever dovecot > IPv6 is enabled.
Are you intentionally using CRAM-MD5 to authenticate? Aki
