Am 06.03.2012 02:41, schrieb Wietse Venema: > Reindl Harald: >> i am not sure if my validation is up-to-date in >> rejecting "frankkr?t...@example.com" >> >> AFAIK ??? are only allowed in DOMAIN name (IDN) > > RFC5321/22 do not allow non-ASCII in the localpart or domain, or > in any message header. All encodings of non-ASCII in domains and > header values must be done before mail is given to Postfix. In the > case of the localpart or header labels, there is no encoding that > satisfies RFC5321/22.
clear from the point of RFC and SMTP using http://code.google.com/a/apache-extras.org/p/phpmailer/downloads/list special chars are encoded always the right way my question is more targeted in PHP filter_var($email, FILTER_VALIDATE_EMAIL) rejecting the local-part with german umlaut and if there is any valid reason to consider this as bug because the address would be valid using php-mailer and correct encoding the domain-part is no problem here because i convert it always to punny-code for safety long before it is proceeded in my wrappers and i generally do not love the "new fancy" domain names
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