This is a problem as you specified it.  You need to modify vpopmail to add
the RBLSMTPD="" entry and things will work as you want them to.

On Fri, 3 Mar 2000, Mark Tippetts wrote:

> Hey,
> 
> 
> I've been distracted from developing a qmail test-bed with the following
> Sendmail problem, and I'm concerned about the same problem in qmail.
> 
> We're using the popauth hack (for roaming users) and the DUL-RBL.  This
> works great, unless a popauth-OK'ed address is in the DUL.  The DUL is
> checked first.  Since checks end with a reject on matches to the rbl, the OK
> in popauth.db is never seen, and all outgoing mail from the user bounces,
> even though they've authenticated via POP.
> 
> I understand that things flow in the opposite direction here, but it seems
> like the problem remains-- at least according to my rudimentary knowledge of
> qmail.  First, tcpserver checks tcp.smtp.cdb and passes the connection with
> x.x.x.x:allow,RELAYCLIENT="".  Later in the pipe we encounter instances of
> rblsmtpd.  $RBLSMTPD is not set, so a lookup is done, and matched against
> the DUL, and the mail is rejected.  rblsmtpd doesn't care about the status
> of $RELAYCLIENT, and the message never reaches qmail-smtpd, because the pipe
> has already closed.
> 
> If I were using a simple /etc/tcp.smtp file, I'd gather the answer would be
> to modify lines to read x.x.x.:allow,RELAYCLIENT="",RBLSMTPD="".  Perhaps
> this is a solution for customers using our dial-ups.  But I'm concerned with
> roaming users.  I'm using Vpopmail with --enable-roaming-users, and this
> adds its own lines to the cdb.
> 
> Would I need to modify the Vpopmail source to add the RBLSMTPD=""
> assignment?  Am I imagining bogymen and there's no problem?  Or is there a
> problem, but with a simple solution I've missed?
> 
> Thanks,
> 
>       Mark Tippetts
> 

---------------------------------
Timothy L. Mayo                         mailto:[EMAIL PROTECTED]
Senior Systems Administrator
localconnect(sm)
http://www.localconnect.net/

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