Re: obscure email address formats

Martin Barry <[email protected]> Tue, 26 Jul 2011 13:47:02 +0200
Newsgroups gmane.comp.security.firewalls.wizards
Message-ID <[email protected]>
$quoted_author = "ArkanoiD" ;
> 
> Is there any good reason to allow email addresses (in smtp, imap and alikes)
> in any format different from mailbox@fqdn ?

The other caveat with validating email addresses is with IDN¹ you now
need to support unicode in the frontend although your existing regex should
cope fine with punycode'd FQDNs in the backend.

cheers
Marty


¹ http://en.wikipedia.org/wiki/Internationalized_domain_name