Hosting vs email: why they're separate
Learn why your website hosting and your business email are completely separate services — and why changing one doesn't affect the other.
Many clients are surprised to learn that changing their web hosting doesn't affect their email — or that setting up a new email address has nothing to do with their website server. Email and hosting are two different services that often look connected but are not.
Quick summary
Your website and your email are separate services. Your website lives on a hosting server. Your email lives on a mail server (like Google Workspace or Microsoft 365). They share a domain name but use different infrastructure. Changing hosts won't break email — as long as the DNS email records aren't touched.
Why they feel connected
Both your website and your email use the same domain name (e.g. yourbusiness.com). This creates the impression that they're the same service. They're not.
Under the hood, they point to completely different servers using different DNS record types:
- Your website is found via an A record (or CNAME) in DNS — it points to your hosting server's IP address.
- Your email is found via an MX record in DNS — it points to your mail server (Google, Microsoft, etc.).
These records are independent. Changing one doesn't affect the other — as long as you're careful.
Common scenarios explained
"We're migrating your hosting"
If we tell you we're changing hosting providers, your email will be unaffected. We change the A record (website DNS) but leave the MX records (email DNS) alone. Your team's email continues working normally throughout the migration.
"We're setting up a new email address"
Creating a new name@yourbusiness.com email address has nothing to do with your website hosting. It's done in your email provider's admin panel (Google Workspace Admin, Microsoft 365 Admin Center, etc.).
"My website is down — is my email affected?"
No. If your hosting server goes offline, your website is unreachable — but your email flows through a completely separate mail server. Visitors can't see your website, but emails still arrive in your inbox.
"I just moved my whole domain to a new registrar — is my email affected?"
Possibly. If the DNS records transferred correctly, email will continue working. If MX records weren't transferred properly, email could stop. We always double-check email DNS during domain transfers.
What runs email?
For most of our clients, business email is powered by one of:
- Google Workspace — Gmail-based, managed at
admin.google.com. See Google Workspace. - Microsoft 365 — Outlook-based, managed at
admin.microsoft.com. See Microsoft 365. - Email hosting from a domain registrar — less common; configured in the registrar's control panel.
None of these have anything to do with Flywheel, WP Engine, or Kinsta.
Why this matters when we make changes
Before any DNS or hosting change, we audit your DNS records to identify and preserve your MX records. If we accidentally changed your MX records during a migration, your email would stop working — which is why we're careful.
Never let anyone change your MX records without reviewing email first
If someone says they need to "update your DNS" for hosting, ask specifically whether they're touching MX records. The answer should always be no unless they're explicitly changing your email provider.
Common questions
Related guides
- What is web hosting?
- How DNS & hosting fit together
- What is Google Workspace?
- What is Microsoft 365?
- Domain vs hosting vs email
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