Email Authentication & DNS
Set up SPF, DKIM, DMARC, BIMI, reverse DNS, and tracking domains to authenticate your email.
6 articlesHow do I set up an SPF record for my domain?
Publish a single SPF TXT record that authorizes every sending service, stay under the 10-lookup limit, and verify SPF pass in headers.
Updated March 12, 2026How do I set up DKIM for my domain?
Generate a DKIM key pair in your ESP, publish the public key as a DNS record, enable signing, and confirm DKIM pass for DMARC alignment.
Updated March 12, 2026How do I set up DMARC monitoring with InboxAlly?
Generate a monitoring-mode DMARC record in InboxAlly, publish it in DNS, and track who sends email from your domain.
Updated March 11, 2026What is reverse DNS and why does it matter for email?
Reverse DNS maps your sending IP to a hostname via PTR record. A missing or generic rDNS entry flags spam filters even when SPF/DKIM pass.
Updated March 12, 2026How do I set up a custom tracking domain for email?
Replace your ESP's shared tracking domain with a branded subdomain via CNAME and HTTPS to protect link reputation and boost deliverability.
Updated March 10, 2026What is BIMI and how do I set it up?
BIMI displays your brand logo in supported inboxes like Gmail. Requires DMARC enforcement, an SVG logo, and an optional VMC certificate.
Updated March 11, 2026