Lists Sync

Nothing in here we cannot explain.

The opening step is translating what you want into something countable. Standardisation happens before matching, never the other way round. The file ships with its own limitations written down.

Monitoring

Watching for the configuration changes that quietly stop mail arriving.

Sending identity

Separating what you send in volume from how your main domain is treated.

Authentication

Sender records configured and verified against what the receiving side actually reports.

Send the field list and we will mark which parts are reachable.