Oh, and please add the other private address ranges also (RFC1918 - Address Allocation for Private Internets). The same logic applies to all four ranges - these are local addresses not usable for Internet addressing. Of course an extension of that idea would be to identify all the other ranges that are marked as unassigned or dubious, like 224. or 14. or 240. and so on.   INTERNET PROTOCOL V4 ADDRESS SPACE and RFC3330 - Special-Use IPv4 Addresses might be a start here.

I know our local email admin hates the _obvious_ MX obfuscation that spammers employ...

In reply to Re: Re: Re: Email::Valid appears to disqualify valid email addresses by shenme
in thread Email::Valid appears to disqualify valid email addresses by princepawn

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