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Re: [ietf-smtp] [pkix] another attempt to canonicalize local parts

2016-03-10 07:09:17
but how do you allow those but not this one?

(hostmaster|johnl?)@(iecc|taugh|paypal)\.com

The @ acts as a nice separator, no?

There's lots of ways to put multiple addresses in a regex. How about these?

(jrlevine2|net.abuse)@yahoo.com
OPERAT[0O]R(_at_)hotmail(_dot_)com

An RE can match zillions of addresses, and other than in uninterestingly trivial cases, you can't test more than a tiny subset of them.

R's,
John

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