Hi, I am using postfix as mta and dovecot for pop in debian box. we are experiencing duplicate mail receiving problem on some accounts. during that time, if we run *mailq* we found the following output (e.g our xyz user)
cannot update mailbox /var/mail/xyz. for user xyz. unable to lock for exclusive access: Resource temporarily unavailable pls help us, how can we resolve it. Regards- Meshbah
