For further information on the issue in the extension powermail, please read the related advisory TYPO3-SA-2010-019 that was published today:
http://typo3.org/teams/security/security-bulletins/typo3-sa-2010-019/
TYPO3 v13.1—The Surfer’s Starterkit
Today we published the second sprint release of the v13 series: TYPO3 version 13.1. You can now consolidate site configurations as Site Sets and reuse…