Hosted Cloud Delivery IPs

Inbound mail delivery uses only IPv4 addresses, the list of which is below. The filter can receive messages via IPv6 both incoming and outgoing, however, these will be delivered to the recipients via IPv4.

Webinterface telnet & LDAP sync IPs:, 2001:1af8:4500:a034:101::2

Spam Experts ( SMTP delivery IPs:

IP range:

IP sub-ranges:,,,