
Setting SITE_ID=0 in settings.py is a signal to Postorius and Hyperkitty that they should guess the domain and filter lists based on the hostname supplied by the browser: https://docs.mailman3.org/en/latest/faq.html#the-domain-name-displayed-in-hyperkitty-shows-example-com-or-something-else Change-Id: I34df58fd95df3ff8075850ac370be9260a245021