OK, I found it (thanks to a POST in 2010 on same problem and clue given by Andrew) ! I haven't "localhost" defined in /etc/hosts... Now, it works ! -- View this message in context: http://baruwa-users-list.963389.n3.nabble.com/Cannot-perform-action-on-mails-tp3910643p3911575.html Sent from the Baruwa users list mailing list archive at Nabble.com.