SPF
To authorize SmartCloud to send emails on your domain’s behalf you will have to include it in your SPF record. The SPF record mechanism used by SmartCloud is shown below.
North American: include:_spf.notes.na.collabserv.com
Asia Pacific: include:_spf.notes.ap.collabserv.com
European: include:_spf.notes.ce.collabserv.com
Create a free OnDMARC account to test your configuration.