diff --git a/backlog/tasks/task-4 - Configure-email-sending-domain.md b/backlog/tasks/task-4 - Configure-email-sending-domain.md
index f014047..6c5c18d 100644
--- a/backlog/tasks/task-4 - Configure-email-sending-domain.md	
+++ b/backlog/tasks/task-4 - Configure-email-sending-domain.md	
@@ -19,7 +19,7 @@ Currently sending from noreply@jeffemmett.com. May want to switch to noreply@cad
 ## Notes
 - Added cadcad.org domain to Mailcow with DKIM key generated (2026-02-22)
 - Created noreply@cadcad.org mailbox
-- Added DNS records to Cloudflare: SPF (ip4:159.195.32.209), DKIM (2048-bit RSA), DMARC (quarantine), MX (mx.jeffemmett.com)
+- Added DNS records to Cloudflare: SPF (ip4:159.195.32.209), DKIM (2048-bit RSA), DMARC (quarantine), MX (mail.rmail.online)
 - Updated Discourse app.yml: DISCOURSE_SMTP_DOMAIN=cadcad.org, DISCOURSE_NOTIFICATION_EMAIL=noreply@cadcad.org
 - Rebuilt Discourse container, reconnected to traefik-public and mailcow-network
 - Test email sent successfully: noreply@cadcad.org → jeffemmett@gmail.com (delivered via Gmail SMTP, status=sent)