smtp vrfy

[Simon Jones]

> -----Original Message-----
> From: mailscanner-bounces at lists.mailscanner.info [mailto:mailscanner-
> bounces at lists.mailscanner.info] On Behalf Of Glenn Steen
> Sent: 06 November 2007 10:02
> To: MailScanner discussion
> Subject: Re: smtp vrfy
> 
> On 06/11/2007, Simon Jones <simon at saq.co.uk> wrote:
> >
> >
> > > -----Original Message-----
> > > From: mailscanner-bounces at lists.mailscanner.info
> [mailto:mailscanner-
> > > bounces at lists.mailscanner.info] On Behalf Of Koopmann, Jan-Peter
> > > Sent: 06 November 2007 08:00
> > > To: MailScanner discussion
> > > Subject: RE: smtp vrfy
> > >
> > > > *breaks out the clue stick*
> > > >
> > > > Callouts are considered abusive by many servers-- you probably
> want
> > > to
> > > > be VERY
> > > > VERY CAREFUL about doing this...  Personally I don't run it at
> all,
> > > but
> > > > my spam
> > > > setup is such that I don't need to...
> > >
> > > Are they talking about sender address verification? The way I read
> it
> > > he
> > > is trying to do the opposite and ask his inbound receiving mailer
> > which
> > > would be a wise thing to do and has nothing to do with callouts.
> Might
> > > be wrong though... :-)
> > > --
> >
> > Hi, that's exactly what I'm trying to do - I run a server with a
> generic
> > public domain with lots of users on it - the domain has been around
> for
> > 12 years so attracts mucho canned meat of the spam variety.  All I
> want
> > mailscanner to do is say to the destination server "hey there, do
you
> > have this address?" before actually sending the message, which would
> > take some pressure off the spooler on the destination server.
> >
> > I think it IS working but the gateway is starting the smtp vrfy
> > transaction with <postmaster> rather than <postmaster at domain.com> -
> > here's the error off the destination machine: "unacceptable mail
> address
> > in MAIL FROM:<postmaster>"
> >
> > I'm running a seperate machine with postfix only and this does use a
> > postmaster at domain.com address for outside smtp transactions, but I
> can't
> > find the config to specify what address the postmaster should use -
> only
> > that it is an alias of root in /etc/postfix/aliases
> >
> > Thanks again chaps, the answer is probably blatantly simple but I'm
> not
> > seeing it :(
> How about
> address_verify_sender = postmaster
> in main.cf ... or rather
> address_verify_sender = postmaster at yourdomain.com
> ...?
> Cheers
> --
> -- Glenn

Cheers Glen,

That sorted the address issue - still doesn't work though hehe, bounces
everything - valid or not but if I do a vrfy user at domain.com on the
destination server it validates or rejects as one would expect.  Now
checking my config to make sure nothing fishy is going on here...

Simon