Reading message content on postfix queue
Get the id of the message by mailq | grep “search something” Then postcat -q MESSAGE_ID
Category: Tech Post
Upgrading Windows Server 2016 Domain Controller DC to Windows Server 2019
Simple one really, no major updates for Active Directory in 2019 Server. Insert your disc – Open command prompt – d:\Support\adprep\adprep /forestprep then d:\Support\adprep\adprep /domainprep Now run the install and updates and you should be done in a few hours.
Delete all MAILER-DAEMON notifications from Postfix queue:
Just run the following #mailq | tail -n +2 | head -n -2 | grep -v ‘^ *(‘ | awk ‘BEGIN { RS = “” } { if ($7 == “MAILER-DAEMON”) print $1 }’ | tr -d ‘*!’ | postsuper -d –
ESXi 6.7 Keep Getting PANIC bora/vmkernel/main/dlmalloc.c: 4924 – Usage error in dlmalloc
So the only fix for this is to roll back to ESXi 6.5 after many calls with VMWare. The issue i came across was because i upgraded to 6.7 then did another upgrade to a 6.7 patch i couldnt just roll back my hosts to 6.5 – Vmware said i need to rebuild from scratch Read more about ESXi 6.7 Keep Getting PANIC bora/vmkernel/main/dlmalloc.c: 4924 – Usage error in dlmalloc[…]
Postfix Commands to manage the Postfix queue
To show whats in the queue #postqueue -p To force the queue to re-attempt a send #postqueue -f To delete the queue #postsuper -d all To delete a specific mail #postsuper -d queueid