I run Postfix MTA with Courier IMAP, Squirrel Mail. Do you have Trash mailbox for that user ?
It looks like Squirrel mail is doing a copy move. Copy to Trash. Delete mail message. >On Tue, May 06, 2003 at 01:20:46PM -0700, Splash Tekalal wrote: >I'm currently running Debian Stable using postfix for my MTA, >mailutils-imap4d as my IMAP server, and SquirrelMail for my webmail >client.. Everything on the server works fine untill a user tries to delete >mail in SquirrelMail.. They can delete it fine in Pine.. But the following >error pops up.. >ERROR : Could not complete request. >Query:COPY 1:1 "INBOX.Trash" >Reason Given: [TRYCREATE] failed >Any suggestions? If it helps, I'm also running Apache as a non-standard >user.. It's running as dchaosnet.www-data instead of www-data.www-data