To ensure your organization achieves effective email security protection, Trend Micro Email Security recommends you perform the following tasks after data migration:
Data Loss Prevention (DLP)
After migration, policy rules are categorized into the following four types: virus scan, spam filtering, content filtering, and DLP.
You can manually reorder the policy rules in each domain after migration if they do not meet your requirements. For details, see Reordering Policy Rules.
Inbound Protection > Connection Filtering > IP Reputation > Approved IP Addresses
Inbound Protection > Connection Filtering > IP Reputation > Blocked IP Addresses