From: Deb on
I am not receiving email and I keep getting the following message.

Task ' (dlreub) - Receiving' reported error (0x8004210E) :
'Your mailbox is temporarily unavailable because another e-mail message is
being delivered to it or another mail application is accessing it. The
server responded: -ERR [IN-USE] maildb_burst dlreub User already logged in,
software lock at 6923 (try again in 15 minutes)'