On Sun, 6 May 2018 15:05:55 -0400 Tom Horsley wrote: > SASL mechanisms LOGIN XOAUTH2 Hey! I just found the problem. The XOAUTH2 is what doesn't work. I finally discovered the smtp_sasl_mechanism_filter parameter and set it to just login, and the mail is flowing again. Since oauth2 was invented by google for google, and microsoft loves to screw up "standards", I'd guess the problem is with microsoft's implementation of oauth2 (but that's just my natural tendency to assume microsoft is the problem when it is involved with anything). _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx