There is a systemd timer job on MX servers that generates an exim alias file for VRTS (OTRS).
The command line is now /usr/local/bin/vrts_aliases (after renaming it).
When running it manually I noticed the following unrelated errors:
Jul 06 23:14:55 mx2001 vrts_aliases[2785358]: ERROR:/usr/local/bin/vrts_aliases:email is handled by gsuite: business@wikimedia.org Jul 06 23:14:57 mx2001 vrts_aliases[2785358]: ERROR:/usr/local/bin/vrts_aliases:email is handled by gsuite: wm-cz@wikimedia.org Jul 06 23:15:02 mx2001 vrts_aliases[2785358]: ERROR:/usr/local/bin/vrts_aliases:email is handled by gsuite: legal-tm-vio@wikimedia.org Jul 06 23:15:05 mx2001 vrts_aliases[2785358]: ERROR:/usr/local/bin/vrts_aliases:email is handled by gsuite: ux@wikimedia.org Jul 06 23:15:07 mx2001 vrts_aliases[2785358]: ERROR:/usr/local/bin/vrts_aliases:email is handled by gsuite: glam@wikimedia.org Jul 06 23:15:13 mx2001 vrts_aliases[2785358]: ERROR:/usr/local/bin/vrts_aliases:email is handled by gsuite: board@wikimedia.org Jul 06 23:15:20 mx2001 vrts_aliases[2785358]: ERROR:/usr/local/bin/vrts_aliases:email is handled by postfix alias: privacy@wikidata.org