A patch for shadow-utils 20000902 causes the useradd command to create a mail spool files with read/write privileges of the new user's group (mode 660), which allows other users in the same group to read or modify the new user's incoming email.
| Software | From | Fixed in |
|---|---|---|
| redhat / linux | 7.2 | 7.2.x |
| redhat / linux | 8.0 | 8.0.x |
| redhat / linux | 7.3 | 7.3.x |