Proton Mail + Bluehost
Set up Proton Mail email on Bluehost
The records Proton Mail needs, written with the field names Bluehost uses (Host Record, Points to, TXT Value), in the order to add them.
- 5 steps
- 8 DNS records
- Sources checked October 21, 2026
Before you start
- Have your Proton Mail account ready. Some values are unique to your account and come from the Proton Mail settings (Domain names).
- Open DNS at Bluehost: Log in to the Bluehost Portal and click Domains in the left-hand menu. Select your domain, then open the DNS tab.
- Keep both tabs open and add the records below one at a time.
Records to add
Copy each value with the button next to it. Rows marked “Copy from Proton Mail settings (Domain names)” are unique to your account.
| Record | Type | Host Record | Value | Priority | TTL | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Domain verification Proves you own the domain | Type | TXT | Host Record | @ | Value | Copy from Proton Mail settings (Domain names) Looks like: protonmail-verification= followed by a code | Priority | n/a | TTL | Default |
| MX records Where incoming email goes | Type | MX | Host Record | @ | Value | mail.protonmail.ch | Priority | 10 | TTL | Default |
| MX records Where incoming email goes | Type | MX | Host Record | @ | Value | mailsec.protonmail.ch | Priority | 20 | TTL | Default |
| SPF record Which servers may send as you | Type | TXT | Host Record | @ | Value | v=spf1 include:_spf.protonmail.ch ~all | Priority | n/a | TTL | Default |
| DKIM A signature on every message | Type | CNAME | Host Record | protonmail._domainkey | Value | Copy from Proton Mail settings (Domain names) | Priority | n/a | TTL | Default |
| DKIM A signature on every message | Type | CNAME | Host Record | protonmail2._domainkey | Value | Copy from Proton Mail settings (Domain names) | Priority | n/a | TTL | Default |
| DKIM A signature on every message | Type | CNAME | Host Record | protonmail3._domainkey | Value | Copy from Proton Mail settings (Domain names) | Priority | n/a | TTL | Default |
| DMARC record What to do with fakes · recommended | Type | TXT | Host Record | _dmarc | Value | v=DMARC1; p=quarantine | Priority | n/a | TTL | Default |
Step by step in Bluehost
Verify your domain
Your email provider needs proof that you control this domain before it accepts email for it.
- Type
- TXT
- Host Name
-
@ - TXT Value
- Copy it from Proton Mail settings (Domain names) (see below)
Where to find your value
In Proton Mail open Settings → Domain names, add your domain and copy the verification value.
It looks like: protonmail-verification= followed by a code
In Bluehost
- On the DNS tab, click + Add Record and select Single Record.
- Set Record Type to TXT and Refers to to Other Host.
- Enter the Host Name and paste the TXT Value.
- Click Add.
Point your MX records
MX records tell every other mail server where to deliver email for your domain. They must point to your provider and nowhere else.
- Type
- MX
- Host Record
-
@ - Priority
- 10
- Points to
-
mail.protonmail.ch
- Delete any other MX records, or make sure Proton's have the lowest priority number.
- Type
- MX
- Host Record
-
@ - Priority
- 20
- Points to
-
mailsec.protonmail.ch
In Bluehost
- Under the DNS tab, go to Manage Advanced DNS Records and click Add Record.
- Set Type to MX. Type @ in Host Record, enter the mail server in Points to, and set the Priority. Leave TTL at its default.
- Save the record.
- Repeat for each MX record above.
Add the SPF record
SPF is a TXT record that lists the services allowed to send email from your domain, so receivers can spot forgeries.
- Type
- TXT
- Host Name
-
@ - TXT Value
-
v=spf1 include:_spf.protonmail.ch ~all
- Keep one SPF record. To keep an existing one, add include:_spf.protonmail.ch right after v=spf1.
In Bluehost
- On the DNS tab, click + Add Record and select Single Record.
- Set Record Type to TXT and Refers to to Other Host.
- Enter the Host Name and paste the TXT Value.
- Click Add.
Set up DKIM
DKIM publishes a public key so receivers can confirm your messages really came from you and were not changed on the way.
- Type
- CNAME
- Host Record
-
protonmail._domainkey - Points to
- Copy it from Proton Mail settings (Domain names) (see below)
Where to find your value
Copy the exact target from the DKIM tab of your domain in Proton Mail settings.
- Add all three DKIM records; Proton rotates keys between them.
- Some hosts reject a trailing period on CNAME values. If yours does, remove the final dot.
- Type
- CNAME
- Host Record
-
protonmail2._domainkey - Points to
- Copy it from Proton Mail settings (Domain names) (see below)
Where to find your value
Copy the exact target from the DKIM tab of your domain in Proton Mail settings.
- Type
- CNAME
- Host Record
-
protonmail3._domainkey - Points to
- Copy it from Proton Mail settings (Domain names) (see below)
Where to find your value
Copy the exact target from the DKIM tab of your domain in Proton Mail settings.
In Bluehost
- Under the DNS tab, click Add Record.
- Set Type to CNAME, enter the name, and put the target hostname in Points to.
- Save the record.
- Repeat for each CNAME record above.
Add the DMARC record (recommended)
DMARC tells receivers what to do with mail that fails SPF and DKIM, and where to send reports about it.
- Type
- TXT
- Host Name
-
_dmarc - TXT Value
-
v=DMARC1; p=quarantine
- Proton recommends a p=quarantine policy for most domains.
In Bluehost
- On the DNS tab, click + Add Record and select Single Record.
- Set Record Type to TXT and Refers to to Other Host.
- Enter the Host Name and paste the TXT Value.
- Click Add.
Check your setup
Once the records are saved, run a live check. We look up your domain in public DNS and tell you what is right, missing or wrong, with the fix in Bluehost’s words.
Common mistakes with Proton Mail on Bluehost
Adding only one DKIM record
Proton uses three DKIM CNAMEs (protonmail, protonmail2, protonmail3). Add all three, matching the values in your setup wizard exactly.
Bluehost: Replace Bluehost's default MX record
By default Bluehost's MX record points to your own domain, which delivers mail to Bluehost's local server. Change it to your provider's mail server.
Rather have someone do it for you?
Tell us your domain and we will add and verify every record for Proton Mail on Bluehost, then send you the check results.
Proton Mail on Bluehost: questions
Where do I add Proton Mail DNS records in Bluehost?
Log in to the Bluehost Portal and click Domains in the left-hand menu. Select your domain, then open the DNS tab. Add each record there, one at a time.
What goes in the Host Record field at Bluehost?
Enter @ for records on your bare domain, such as MX and SPF. For the others, enter protonmail._domainkey.
Do I need to delete my existing MX records at Bluehost?
Delete any other MX records, or make sure Proton's have the lowest priority number. By default Bluehost's MX record points to your own domain, which delivers mail to Bluehost's local server. Change it to your provider's mail server.
Where do I get my Proton Mail DKIM record?
Copy the exact target from the DKIM tab of your domain in Proton Mail settings.
Sources
Every value and step on this page comes from these official pages. Dashboards change, so if something doesn’t match what you see, tell us.
- Anti-spoofing for custom domains (Proton Support) Checked October 21, 2026
- How to Add a DKIM Record (Bluehost Help) Checked October 21, 2026
- How to Edit MX Records (Bluehost Help) Checked October 21, 2026
- How to Manage DNS Records in cPanel (Bluehost Help) Checked October 21, 2026
- How to use a custom domain with Proton Mail (Proton Support) Checked October 21, 2026
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