Famously won't work for n@ai, either with or without the trailing period to ensure global name resolution. The .ai is one of a rare few ccTLDs that have (or had

Famously won't work for n@ai, either with or without the trailing period to ensure global name resolution. The .ai is one of a rare few ccTLDs that have (or had) top-level MX and A records. https://mail.gnome.org/archives/evolution-list/2002-January/msg00466.html https://mail.gnome.org/archives/evolution-list/2002-January/...