Email Delivery for IT Admins

This technical reference is for IT administrators whose users subscribe to newsletters sent through Rumicat.

Rumicat uses Resend for email delivery, which runs on Amazon SES infrastructure. All newsletter emails are sent from newsletters@mail.rumicat.com

Replies are routed to the newsletter author's actual email address.

All emails are sent from these domains:

All emails use TLS encryption and are authenticated by mail.rumicat.com.

Rumicat implements industry-standard email authentication:

SPF - Configured on mail.rumicat.com to authorize Amazon SES

DKIM - All emails are cryptographically signed

DMARC - Policy published for domain verification

If your organization uses allowlists, add these domains to ensure Rumicat emails reach your users:

This covers all newsletter traffic from the platform.

Questions about email delivery or need additional technical details? Contact us at rumicat@nternet.company.

Sent with Rumicat - Meow!