From: Docker Mail Server <virus@example.test>
To: Existing Local User <user1@localhost.localdomain>
Date: Sat, 21 Jan 2023 11:11:11 +0000
Subject: Test Message rspamd-virus.txt
X5O!P%@AP[4\PZX54(P^)7CC)7}$EICAR-STANDARD-ANTIVIRUS-TEST-FILE!$H+H*