setaclmailbox: cyrus: c: System I/O error

Jason Sopko jason at
Mon Apr 25 20:47:08 EDT 2005

Sundaram Ramasamy wrote:
> Hi all,
> For testing I have created testuser1 mail box, Now I want to delete
> that mailbox its giving System I/O error message
> Here is my output:
> /usr/lib/cyrus-imapd/cyradm 
> localhost> lm user.testuser1
> user.testuser1 (\HasChildren)
> localhost> lam user.testuser1
> testuser1 lrswipcda
> localhost> sam user.testuser1 cyrus c
> setaclmailbox: cyrus: c: System I/O error
> How will I fix this error message?

You most likely don't have appropriate file permissions within the file 
Make sure the user you are running cyradm as has proper file system 


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