For the complete documentation index, see llms-docs.txt or the site index llms.txt. Full docs corpus: llms-full-docs.txt. Prefer the markdown version of this page at /docs/guides/connect-domain/sending-vs-receiving.md. Product capabilities: skill.md. Docs MCP: /docs/mcp. Site MCP: /mcp.
Sending vs receiving
Which Reloop DNS records matter for outbound mail only versus inbound mail to Reloop.
Reloop can send mail as your domain, receive mail into Reloop, or both. DNS requirements differ.
New domains start with Email Sending, Email Receiving, and click/open tracking on. Turn Receiving off before publishing DNS if this hostname must keep another inbox (Google Workspace, Microsoft 365, etc.).
Sending (outbound)
Goal: Gmail/Outlook/others accept mail from you@yourdomain.com as authenticated.
Typically involves:
- SPF — authorize Reloop (
include:reloop.sh) - DKIM — sign messages (
reloop._domainkey) - DMARC — policy for failures (required for Reloop verification when Email Sending is on)
- Tracking CNAME — on by default for new domains (
linkon apex, orlink.<subdomain>when using a subdomain) →link.reloop.sh
Sending does not require an MX record. MX is only for inbound mail.
You can keep another provider as the inbox on the same domain if you leave Email Receiving off and do not publish Reloop’s inbound MX for that hostname.
Receiving (inbound)
Goal: Mail addressed to your domain is delivered into Reloop (Agent Inbox / inbound pipelines).
Requires Receiving MX pointing at Reloop’s inbound host, typically:
inbound.reloop.sh
(with the priority shown in the dashboard).
Dashboard toggles
On the domain DNS Records and Configuration tabs you can enable or disable sending, receiving, and tracking. When you change them, Reloop shows which DNS rows are required. Publish what the dashboard marks as needed, then verify again.
Practical recipes
| Goal | Approach |
|---|---|
| Transactional send only; keep existing inbox | Root or subdomain + SPF/DKIM/DMARC (+ tracking as needed); turn Email Receiving off; do not publish inbound MX → inbound.reloop.sh |
| Full Reloop inbox + send | Subdomain or dedicated domain; Receiving MX → inbound.reloop.sh |
Send from news.acme.com, inbox stays on acme.com | Add news.acme.com in Reloop; leave root MX alone |
Related
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