MediaWiki:Config-install-subscribe-possiblefail/qqq

"mediawiki-announce" is the name of a mailing list and should not be translated. "lists.wikimedia.org" is the name of a server and should not be translated either.

A message displayed if the MediaWiki installer does not know whether it was able to subscribe the user to the mailing list. Probably the mailing list software gave an error message that the installer does not recognize, though it is possible that the mailing list software has changed in such a way that the installer cannot detect success either.