9 Aug
2020
9 Aug
'20
9:51 a.m.
On 09/08/2020 09:15 Lefteris Tsintjelis lefty@spes.gr 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=user@domain.com, 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