MailGuard Access Control List (ACL)

You can view the MailGuard ACL list here: https://www.mailguard.com.au/landing/acl/

50.23.246.238

50.23.252.166

108.168.255.216

108.168.255.217

203.21.125.32

203.21.125.33

MailGuard Sender Policy Framework (SPF)

The recommended SPF entry for any MailGuard protected domain is as follows (please include the entire line below):

include:customer.mailguard.com.au