[Dovecot] Differences between IPv4 and IPv6 authentication

Hi, I have Dovecot listening on both IPv4 and IPv6, and can connect on both interfaces, but cannot authenticate over IPv6, using exactly the same credentials as IPv4. I assumed that the same authentication mechanisms would be used, regardless of the protocol being used - are there differences som

Re: [Dovecot] Differences between IPv4 and IPv6 authentication

Thanks for the suggestions! >> ~$ telnet server1.teststable.simplyspamfree.com 143 > > Try 127.0.0.1 vs ::1 I should have thought of that :) Indeed, ::1 works fine, so it is not IPv6, it is external IPv6. > Proxy/firewall/antivirus/etc in the middle? I don't think so. > If none of that is hel