Am 03.07.2012 14:48, schrieb Dentzer: > > >> -----Original Message----- >> From: owner-postfix-us...@postfix.org >> [mailto:owner-postfix-us...@postfix.org] >> On Behalf Of Reindl Harald >> Sent: Tuesday, July 03, 2012 2:02 PM >> To: postfix-users@postfix.org >> Subject: Re: special characters in mail address >> >> do not top-post after get reply at bottom! >> >> Am 03.07.2012 13:53, schrieb Dentzer: >>> -----Ursprüngliche Nachricht----- >>> Von: owner-postfix-us...@postfix.org >>> [mailto:owner-postfix-us...@postfix.org] Im Auftrag von Erwan David >>> Gesendet: Dienstag, 3. Juli 2012 13:21 >>> An: postfix-users@postfix.org >>> Betreff: Re: special characters in mail address >>> >>> Le Tue 3/07/2012, Dentzer, Daniel disait >>>> The server is running for years now, the only thing is that with an >> exclamation mark in the local part of the mail address the email is not >> forwarded, hundreds of user mail addresses work. >>>> >>>> I think the configuration is (mostly) correct and working, but when I use >> special characters (until now only "!") the server has problems with the >> domain name and didn't relay. >>>> >>> >>> Beware that ! is a site separator in UUCP addresses. >>> >>> Good information. >>> >>> Is there a way to turn this off? >> >> this makes absolutely no sense >> you have to keep in mind that EVERY mailserver involved for delivering a >> message (and that can be many hops) has to accept a address as valid >> >> so usually do not use special chars at all! > > > Why does it makes no sense, these Characters are valid as written in RFC 3696: > ---------- > Without quotes, local-parts may consist of any combination of > alphabetic characters, digits, or any of the special characters > > ! # $ % & ' * + - / = ? ^ _ ` . { | } ~ > > period (".") may also appear, but may not be used to start or end the > local part, nor may two or more consecutive periods appear
one thing is RFC and the other one how useable is a address in the real life * register forms with breaking validation * other servers / relays / mail-filters yes, in case of problems you can say XYZ is violating the RFC but this does not help the user much that is why we are restricting e-mail to a-z,0-9 and -
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