PICCORO McKAY Lenz writes:
El vie, 6 de mar. de 2020 a la(s) 18:49, Sam Varshavchik (mr...@courier-mta.com) escribió: > There is no law that says all sql records must have the same uid or gid,> either explicitly or the SQL query in the configuration file hardcoding them.In fact documentation lacks that uid and gid must match directory of maildir, https://www.courier-mta.org/authlib/README.authmysql.html it not poin "required"m but if you dont input the uid and gid virtualusers never work, cos we need to know the owner of the mail box for delivering.. same problem with maildrop and spamassasing integration for virtual users
Courier cannot alter the fundamental way that Linux/BSD/others work. It is no different than any other program or process. And this is how permissions have worked, for over 50 years, dating back to the original UNIX. A process can only read or write a file, or a directory, if it has permissions on it, which is determined by the process and the file's uid and gid.
If the file, or a directory, does not have global read/write permissions, if it is readable or writable only by a process with the same uid/gid, then you must arrive at this conclusion, and figure this out without really needing any documentation that spells this out.
The problem, a lot of confusion and lack of good implementations on the internet.. so novice administrator starting to learn cannot implements
Yes, this is something that novice administrators always learn, at some point. Everyone goes through this learning process.
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