If you are using CloudFlare open DNS (1.1.1.1) services (like millions of other servers) then you may have noticed rapid increase of "open...
I believe I understand how ISPConfig saves Sieve rules: In ISPConfig > Email > Mailbox > User > Mail Filter we can maintain the most common rules...
Hello, I have ISPConfig 3.0.5.4p8, an there I run alot of email domains and email mailboxes. But on one mailbox there are not working filters...
Hi I need your help, I have this strange request. I have an email box that I only want to allow a unique email address to be able to be accepted:...
Separate names with a comma.
