I am able to add the first CNAME without the underscore but when i try adding s1._subdomain, the underscore won't allow google domains to add it. It gives me an error saying the name is invalid. Any tips?
Should I change the domain provider or give up on SendGrid?
s1._domainkey
should be the name (and not the value) of your CNAME without the last part of your own domain. For example, s1._domainkey.yourdomain.com
should just be s1._domainkey
.
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