On Tue, 24 Oct 2017 16:59:51 -0500, Robert Giles stated: >Hi folks, > >I've been sifting through various threads on GSSAPI and NTLM support, >and I'm wondering if anyone out there can confirm or deny GSSAPI IMAP >auth support in Microsoft Outlook 2016 (Windows)? Perhaps there's some >magic registry key to change IMAP auth from PLAIN to GSSAPI? > >We're trying to do single sign-on + e-mail for Windows domain users; >Thunderbird GSSAPI works fine, of course, but Outlook 2016 is the >policy-mandated e-mail client for this particular environment (Windows >10 client desktop, Windows Server 2012 R2 AD, RHEL7 Dovecot). > >It seems that Outlook 2016 might also support NTLMv1 / GSS-SPNEGO out of >the box for IMAP accounts, but NTLMv1 is - rightly - disabled in this >environment (and I also see 'NT_STATUS_UNSUCCESSFUL' reported by >/usr/bin/ntlm_auth back to the Dovecot auth worker). > >Thanks for any ideas out there!
In the past, I have had pretty good success posting a question regarding MS Outlook on these tech forums. https://social.technet.microsoft.com/Forums/office/en-us/home?forum=outlook https://answers.microsoft.com/en-us/msoffice/forum?tab=all&auth=1 YMMV of course. Jerry