You do not have permission to delete messages in this group
Report message as abuse
Sign in to report message as abuse
Show original message
Either email addresses are anonymous for this group or you need the view member email addresses permission to view the original message
For posterity, since this happened to get diagnosed and discussed outside of this mailing list: turns out this was the same issue identified here and here. Matilde reached out to the ops team and had the proxy reset. H/t to Anton as well for pointing me in the right direction in the first place.