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Hi fsckin, example@example.com fails because while we do fallback to A records, no mail exchanger responds to us, so no one can actually receive mail at that in
by russjones 13y ago
Hi fsckin, example@example.com fails because while we do fallback to A records, no mail exchanger responds to us, so no one can actually receive mail at that inbox which is why we mark it as invalid.
- jlgaddis 13y agoJust curious: is this a one-time immediate check for an MX that responds? Say, for example, that example.com has only a single MX and for whatever reason (server is down, network connectivity is broken, etc.) it is unreachable or unresponsive at the exact time you test. Would that constitute a "fatal error" in your validation process? If there is a single MX RR but it "expands" to multiple hosts (multiple A RRs), do you test a second one if the first doesn't respond? TIA!
- lawnchair_larry 13y agoAnything @example.com is actually invalid due to it being reserved by RFC 2606.