Some users reported that spammers had started to invent random addresses at their Neomailbox subdomains (or their custom domains), and they were receiving an unusually large amount of spam as a result.

To deal with this, we've created a default deny mode for subdomain aliases. In this mode, only those aliases at your subdomain (or domain) that you explicitly enable will receive mail. Mail for any alias not explicitly enabled by you in the control panel will be rejected.

To switch your account to default deny mode, or if you have any questions about this, please contact us.