Common questions about email authentication
ARC preserves email authentication across forwarding hops. Learn why KaiMail signs with ARC and why it matters for inbox delivery at Gmail and Outlook.
DKIM verifies that forwarded messages came from your domain and weren't altered in transit. It is required for reliable email delivery with KaiMail.
Forwarded emails landing in spam can be caused by authentication misconfiguration or content filtering. Learn how to diagnose and fix each cause with KaiMail.