On Nov 21, 2016, at 7:39 AM, Arkadiusz Miśkiewicz <ar...@maven.pl> wrote: > reason is the only thing in maillog that allows to distinguish why user was > not allowed to log in.
Um… the only thing? How about where you set the reason in the first place? I think the assumption with nologin is that the admin knows the reason, especially considering that nologin is drastic and is almost certain to confuse the user’s MUA, so should only be used in dire cases.