[xwiki-users] Share by email

Hello, I want to used "Share by email" but I've the following error in log: 2010-11-24 15:48:39,986 [http://localhost:8080/xwiki/bin/get/abourree/Weekly1046?xpage=shareinline] ERROR mailsender.MailSenderPlugin - sendEmailFromTemplate: XWiki.SharePage vcontext: org.apache.velocity.VelocityContext@72d833 com.sun.mail.smtp.SMTPSendFailedException: 550 5.7.1 Client does not have permissions to send as this sender To solved it, I need to specify the from field. I update in XWiki.XWikiPreferences General Admin email to my own => without success. Note that I able to send invitation with invitation application and Email "from" address set to mine Regards, Arnaud.