verify != canonicalization. One checks existance the other doesn't.
If SMTP servers provided a canonicalization service ...
Sheesh, I'd think someone who'd been around as long as you would know
that many mail systems do not have anything like a canonical version
of an address.
My system (a heavily hacked version of qmail, which is still a
surprisingly good base for a reliable mail system) maps addresses into
delivery rules in a variety of ways, but those delivery rules look
nothing like e-mail addresses. Some are files, some are directories,
some are scripts.
With some effort I could probably tell you whether two addresses went
to the same delivery rule, but there's no way I could say whether one
was "canonical", or if there were some other address more canonical
than either.
My objection to discussions of ways to canonicalize e-mail addresses
are pretty much the same as my objections to discussions of ways to
divide by zero.
R's,
John
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