> ## Documentation Index
> Fetch the complete documentation index at: https://docs.mailofly.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Avoid MX Conflicts

> How to set up Mailofly without disrupting existing Google Workspace or Microsoft 365 email.

A common concern when adding a domain to an email delivery service is accidentally breaking your company's existing business inboxes (such as Google Workspace or Outlook).

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## The Rule of MX Records

MX (Mail Exchange) records dictate **where incoming mail is delivered**.

* If your apex domain (`yourcompany.com`) points to Google Workspace (`aspmx.l.google.com`), **do not modify your root MX records**.
* Mailofly only uses MX records for custom MAIL FROM return-path bounce handling or inbound routing on **subdomains**.

***

## Recommended Solution: Use a Subdomain

To ensure zero risk to your team's day-to-day corporate email:

1. Verify a dedicated subdomain such as:
   * `mail.yourcompany.com`
   * `updates.yourcompany.com`
   * `notifications.yourcompany.com`
2. Add the DKIM, SPF, and MX records exclusively on that subdomain.
3. Your corporate Gmail/Outlook inboxes on `yourcompany.com` will continue functioning without interruption.


## Related topics

- [Introduction](/guides/introduction.md)
- [Idempotency Keys](/sending/idempotency-keys.md)
- [Domain already registered](/guides/domains/domain-already-registered.md)
- [Verify Domain](/api/domains/verify-domain.md)
- [Retrieve Attachment](/api/receiving/retrieve-attachment.md)