I install and use vbulletin, but registered members do not receive mail, I checked in on the "Mail Queue Manager" and saw:
I click on the "Deliver Now", the following error:
Please help me, how to fix it?
There are currently 1 messages in the mail queue. 1Q9qrW-0003Mo-SO [email protected] 1015 9h Delete Deliver Now [email protected]
Message 1Q9qrW-0003Mo-SO is locked delivering 1Q9qrW-0003Mo-SO LOG: skip_delivery MAIN Spool file is locked (another process is handling this message)