Hello Oliver,
Am 17:58 12/11/02 +0100 hat Oliver Egginger geschrieben:
>
>Hello,
>From time to time some mail clients send emails with recipient addresses
>like this:
>=?ISO-8859-1?Q?u1020=3F=40monet=2Efh=2Dfriedberg=2Ede?=@mailserv.fh-giessen
^^ ^^ ^^ ^^ ^^
Charakter ? @ . - .
Complet not coded:
ISO-8859-1?Q?u1020?@????=@mailserv.fh-giessen.de
which means, the recipient has the E-Mail u1020@???
which is hostet on the mailserver mailserv.fh-giessen.de
>I think that it has something to do with a replacement of german
>"Umlaute" ("Umlaute" are special german charakters).
It is a misconfiguration and wie Du oben siehst ist kein umlaut dabei.
>In any case this addresses are the result of typos, cause we don't
>provide german "Umlaute" in mail addresses.
These are not allowed in RFC
>So the best way would be to reject this addresses with a 5xx smtp error.
It is a legal Header as I have read.
>Surprisingly Exim accept this addresses, thus I suppose that
>these addresses are syntactically correct.
s.o.
>Unfortunately these addresses produce a parsing error during the ldap
>lookup (we use a LDAP-Server for address lookups).
>Here is the corresponding output from the message log:
I think, you can configure ldap for this.
>(Fortunately it don't happens frequently.)
I think it is a misconfigured MUA.
>regards
>oliver
Schöne gruesse aus Strasbourg
Michelle
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