system mails and CSF alerts go to maildrop

[Radical Redemption]

Hello, i have set the admin email and CSF/LFD alerts email, but the mails from root always go to maildrop queue. They cannot be sent, what could be causing this?

[evansa]

is postfix configured and running properly?
Are you using the mail services on CWP?

[Radical Redemption]

Everything else is working properly. Only the system mails get into queue maildrop.