Mail Assure SMTP delivery IPs:
IP range: 185.201.16.0/22
IP sub-ranges: 185.201.16.0/24, 185.201.17.0/24, 185.201.18.0/24, 185.201.19.0/24
Current active IPs: 185.201.16.200, 185.201.17.200, 185.201.18.200, 185.201.19.200
Note: This applies automatically to all Mail Assure accounts. If you wish to use the telnet test from the webinterface or use the LDAP sync/authentication, you need to authorize the webinterface IP 95.211.160.147 / 2001:1af8:4500:a034:101::2. This is not required for deliveries.