CODEWITHSUNDEEP
dnsgoogle-cloud-platformdkimgoogle-cloud-dns
astrobase_go
astrobase_go

Reputation: 11

Google Cloud DNS & ProtonMail DKIM records

ProtonMail has rolled out support for receiving mail from custom domains, and I'm adding the necessary records to my project's Cloud DNS settings from within Google Cloud Platform. I added the MX and SPF records, and they checked out, but when I try to add the DKIM records I get a "Not Properly Set" error from ProtonMail's end. I followed the same format, putting protonmail._domainkey in the hostname, adding it as a TXT record, and including v=DKIM1; k=rsa; p=... in the record value.

ProtonMail technical support wasn't very helpful, replying with a "we don't see your TXT DKIM records, please ensure they are being properly propagated" response.

I can provide the other records I've set if anyone thinks it would be helpful.

Upvotes: 0

Views: 1557

Answers (2)

V. Alex Brennen
V. Alex Brennen

Reputation: 1

Are you able to retrieve your DKIM record with this tool: http://mxtoolbox.com/dkim.aspx

Enclosing your DKIM TXT entry in quotes may solve the issue. Many DKIM libraries have issues with spaces after the semicolons.

Did you attempt to use a key larger than 1024 bits?

If you provide the domain name that your are having an issue with, I will look at the DKIM information in the zone.

Upvotes: 0

Mary Owen
Mary Owen

Reputation: 1

Your DKIM record may need to be wrapped in quotes.

Try:

"v=DKIM1; k=rsa; p=..."

I had the exact same issue with DKIM on protonmail. Protonmail support suggested verifying the records via mxtoolbox.com. Since I could see that my TXT record wasn't showing up as I had written it, I emailed my domain provider for help. They added quotes to the TXT record, and then I could see the record properly on mxtoolbox.com.

Upvotes: 0

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