Depends on IMAP server. If you use courier or cyrus, mailbox name is correct and error is caused by mailbox corruption. If you use UW IMAP, bincimap or dovecot - your SquirrelMail configuration is not correct. If you use other server, name it. > Hello Tomas, > > Is it due to Squirrelmail or my email server? > > Gabriel > >> "Unable to open this mailbox." >> >> Interface can't open INBOX.Sent mailbox. Your configuration is invalid >> or INBOX.Sent folder is corrupted. >> >> -- >> Tomas ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys -- and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV -- squirrelmail-users mailing list Posting Guidelines: http://www.squirrelmail.org/wiki/MailingListPostingGuidelines List Address: squirrelmail-users@xxxxxxxxxxxxxxxxxxxxx List Archives: http://news.gmane.org/thread.php?group=gmane.mail.squirrelmail.user List Archives: http://sourceforge.net/mailarchive/forum.php?forum_id=2995 List Info: https://lists.sourceforge.net/lists/listinfo/squirrelmail-users