You can avoid payment intimation emails landing into spam by including zohobooks.com to your domain’s SPF (Sender Policy Framework) record. This entry represents all email sending services of Zoho, and therefore prevents intimation emails landing into spam.
You can choose to send emails with firstname.lastname@example.org in the From field and the emails will be directly sent from Zoho Books with your email address in the Reply-to field. If the customer replies, the replies will be sent to your email address.
To enable sending emails with email@example.com in the From field:
and GST filing.