On 14/10/2019 16:28, Lena--- via mailop wrote: > Two examples: > > co.uk > bk.ru > > Looks similar, right? But there are multiple domains under .co.uk > belonging to multiple different corporaions, like under .com > bk.ru belongs to single corporation (it owns also mail.ru). > If a mailbox provider wants to spam-filter by domain, they have to use > a list of such multiple-corporation domains (what is the proper term?). > How a mailbox provider might know to include eu.org into that list? > Whois for eu.org doesn't offer a clue.
Well, the sane way to do it is to use the Public Siffix List [1]. Apparently, eu.org is there as well as co.uk. [1]: https://publicsuffix.org/ _______________________________________________ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop
