Exim 4.90.1 resolves CVE-2018-6789 so should be updated
https://lists.exim.org/lurker/message/20180210.180351.bc65dc61.en.html
https://lists.exim.org/lurker/message/20180210.180351.bc65dc61.en.html
Exim installation complete
Moving exim binary.
ls: cannot access /usr/sbin/exim-4.90.1-*: No such file or directory
Cannot find the 4.90.1 formatted binary. Trying a wildcard instead...
Found: '/usr/sbin/exim-4.90_1-4'
Exim 4.90.1 Installed.