A confirmation code was sent to your e-mail address. This code is not required to log in, but you will need to provide it before enabling any e-mail-based features in the wiki.
MediaWiki:Confirmemail oncreate
From Metabolonote
A confirmation code was sent to your e-mail address. This code is not required to log in, but you will need to provide it before enabling any e-mail-based features in the wiki.