Hi Sam,
in your patch, I have disabled the REJECTNOSUCHUSER otherwise my ldap users
don't get any mail (or am I wrong?).
Maybe then I should enable BOUNCEMAIL_INTERNAL as well?
> ----------
> From: Sam[SMTP:[EMAIL PROTECTED]]
> Sent: Thursday, February 04, 1999 2:06 PM
> Cc: [EMAIL PROTECTED]
> Subject: Re: mail for nonexistent user: wrong bounce?
>
> Franky Van Liedekerke writes:
>
> > Hi,
> >
> > I've setup qmail 1.03 with the anti UCE path from Sam, but I'm seeing
> > some strange things:
> >
> > when somebody from the external word sends a mail to a nonexistent user,
> >
> > he gets a mail back
> > with failure notice etc, but in the notice it isn't said why it failed.
>
> Since a nonexistent recipient is now rejected by RCPT TO:, it is the
> sending host that is responsible for generating the bounce message, not
> Qmail.
>
> Trying 127.0.0.1...
> Connected to localhost.
> Escape character is '^]'.
> 220 dpinc.ml.org - legitimate mail welcome, 64K max message size ESMTP
> MAIL FROM:<>
> 250 ok
> RCPT TO:<[EMAIL PROTECTED]>
> 550 Sorry, no mailbox here by that name. (#5.1.1)
>
> If the sending mail server takes the 550 rejection, and throws it away,
> someone's buggy code needs to be fixed.
>
> > But I can see the reason in the logfiles. Does this have something todo
> > with the remote client or remote mailserver?
> > When I try the same, it's ok for my hotmail account, and I see the
> > failure reason.
>
> Because Hotmail's mail servers properly record the bounce error code.
>
> For everyone's edification, identify the mail server who's bounce is brain
> dead. I've heard of certain mail server who can't generate a meaningfull
> error message for a MAIL FROM:, but this is a first time I've heard of any
> mutation that doesn't even tell you why RCPT TO: rejected.
>
