I'm seeing this - https://pastebin.com/86s7cVBj and I'm not sure if it's an SA issue or a ClamAV issue.
apt-cache policy clamav clamav: Installed: 0.99.3-0ubuntu1~chris+1 Candidate: 0.99.3-0ubuntu1~chris+1 apt-cache policy spamassassin spamassassin: Installed: 3.4.1-3 Candidate: 3.4.1-3 Chris -- Chris KeyID 0xE372A7DA98E6705C 31.11972; -97.90167 (Elev. 1092 ft) 10:39:19 up 11:25, 1 user, load average: 0.65, 0.67, 0.62 Description: Ubuntu 16.04.3 LTS, kernel 4.13.0-32-generic
signature.asc
Description: This is a digitally signed message part