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To fix that, you can do a DNS lookup and check the domain has a valid MX record.
by jiggy2011 14y ago
To fix that, you can do a DNS lookup and check the domain has a valid MX record.
- robomartin 14y agoJust be careful when you do this. If you don't use an absolute FQDN you can trigger severe delay in getting a response from the resolver. It can take twenty or thirty seconds (or more) to get a response.
- guillaumepotier 14y agoAt some point if you want to be absolutely sure, you'll have to send a validation link / email and not doing it frontend in JavaScript ;)
- iambibhas 14y agoHTTP calls for client side validation? That's a great idea!
- optymizer 14y ago"This username has already been taken."