Send from domain IP addresses MailCleaner CBL
I have a customer that got listed on CBL using Mailcleaner. I found this. If you have mailservers relaying through your mailcleaner cluster, do not turn on “Mask IP address of relayed host on port 587” OR “Masquerade relayed HELO with sender domain” as you wil find yourself listed very quickly in the CBL.abuseat.org […]
Outlook.com Deliverability Support Team
If your having issues sending email to outlook / hotmail you can use the below form to submit a support request. https://go.microsoft.com/fwlink/?LinkID=614866
Cisco IOS Port forward Range
Port forwarding on Cisco IOS devices can be a bit tricky but here is a easy way to do it. 192.168.59.10 is the server you want to port forward to. (You need to have this in twice for the NAT Pool) ip nat pool POOL1 192.168.59.10 192.168.59.10 netmask 255.255.255.0 type rotary ip nat inside destination […]
Xenserver missing USB drive after reboot
After plugging in USB drives on a Xenserver sometimes the drive goes missing. 1.) modprobe -r usb_storage 2.) modprobe usb_storage and its back. URL: https://discussions.citrix.com/topic/278640-usb-drive-no-longer-seen-as-removable-storage-after-reboot/