On Oct 22, 2004, at 8:33 AM, Walter Souto R. Junior wrote:
Received: from unknown (HELO meals) ([EMAIL PROTECTED])
  by xxx.yyy.zzz with SMTP; 22 Oct 2004 11:46:16 -0200

It looks like he's coming from IP, and authenticating as '123'.

Do you have a user 123 in your default domain, or as a system user? Is user 123's password easy to guess?

Actually, it looks like your AUTH installation is broken -- you can auth as any user on your system.

Take a look at the run file for qmail-smtpd. There are two types of patch, and yours is the one that requires a hostname after qmail-smtpd and before vchkpw. Fix the run script and then restart qmail-smtpd and you'll be fine.

Tom Collins  -  [EMAIL PROTECTED]
QmailAdmin: http://qmailadmin.sf.net/  Vpopmail: http://vpopmail.sf.net/
Info on the Sniffter hand-held Network Tester: http://sniffter.com/

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