I totally forgot I did this when I ported over my holiday batch file to bash script.
Every day up until Christmas, there's a different Christmas-themed prelogin screen on my BBS. Come on by every day to check them out!
telnet://bbs.throwbackbbs.com
--- Mystic BBS v1.12 A43 2019/03/02 (Linux/64)
* Origin: throwbackbbs.com -\- meriden, ct -\- (21:1/114)