smtp vrfy

[Glenn Steen]

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
email: glenn < dot > steen < at > gmail < dot > com
work: glenn < dot > steen < at > ap1 < dot > se