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Email will fall back on an A-record if there is no MX record present...
by stevekemp 9y ago
Email will fall back on an A-record if there is no MX record present...
- gramakri 9y agoNever heard of this behavior before but you appear to be right - https://stackoverflow.com/questions/1666807/email-validation-mx-lookup https://stackoverflow.com/questions/1666807/email-validation.... TIL