Our user's outlook gets spam email from email server, I think proxmox didn't block that email, how to add this email domain or email address on proxmox mail gateway?
If the user doesn't have an account to login proxmox?
Regular users can access their User Black & Whitelist via the quarantine interface
to reach their quarantine interface they can either:
* use a LDAP login (if configured)
* click on the link in a spamreport (which gets sent out if they have a mail in their quarantine)