https://first2host.co.uk/blog/install-exim-email-and-dovecot-on-ubuntu-and-debian-servers/ Fundamentals Explained
Now develop a consumer with identify and team of vmail and uid and gid of 5000. Even though the uid is often any selection, we've been selecting 5000 to point that it is not an ordinary consumer. The "-r" selection even further specifies this user is really a process degree consumer and does not have any login.We have to carry out some work to addr