Mailadresse kontrollierbar?

[Moldawian]

Hi

Ausschnitt aus einer SMTP-Session:

bash-2.05$ telnet wwwtech.de 25
Trying 62.116.154.181...
Connected to wwwtech.de.
Escape character is '^]'.
220 www.webchance.net ESMTP Sendmail 8.9.3/8.9.3; Thu, 14 Jun 2001 14:09:39 +0200
ehlo bla.de
250-www.webchance.net Hello A1efa.pppool.de [213.6.30.250], pleased to meet you
250-EXPN
250-VERB
250-8BITMIME
250-SIZE
250-DSN
250-ONEX
250-ETRN
250-XUSR
250 HELP
vrfy ckruse
250 [e-mail]
quit
221 www.webchance.net closing connection
Connection closed by foreign host.
bash-2.05$

funktioniert das denn auch bei sog. Catch-All-Adressen (alle @domain -> webmaster@domain)?
MfG
Moldawian