Thanks a lot to you all. Disabling the command
fixed it. I didn't know about that proxying
feature of the firewall.
I have to check wether it's worth or not leaving
it enabled. I read in the smtp paper of DJB that
some smtpd may not send mail to a host refusing
the VRFY command. Though, I would rather leave
the firewall do the proxy.
Any advice ?
SM
--- Moutsos Georgios <[EMAIL PROTECTED]> a écrit
: > Your host is probably behind a Cisco PIX
> firewall
> with fixup protocol smtp 25 enabled.
>
> J.
>
> > -----Original Message-----
> > From: Sebastien Monassa
> [mailto:[EMAIL PROTECTED]]
> > Sent: Tuesday, June 19, 2001 2:54 PM
> > To: [EMAIL PROTECTED]
> > Subject: Strange SMTPd behaviour
> >
> >
> > I could not find this problem in the FAQ or
> in
> > the mailing list:
> >
> > SMTPD behaves differently from the inside
> network
> > and from the internet.
> >
> > INSIDE:
> >
> > $ telnet mail.netsecurity.fr 25
> > Trying 172.16.3.4...
> > Connected to nss0501510sr.netsecurity.fr.
> > Escape character is '^]'.
> > 220 nss0501510sr.netsecurity.fr ESMTP
> > HELO world
> > 250 nss0501510sr.netsecurity.fr
> > VRFY [EMAIL PROTECTED]
> > 252 send some mail, i'll try my best
> >
> > INTERNET:
> >
> > # telnet mail.netsecurity.fr 25
> > Trying 194.206.221.216...
> > Connected to nss0501510sr.netsecurity.fr.
> > Escape character is '^]'.
> > 220 ***0*0***0***********************
> > HELO world
> > 250 nss0501510sr.netsecurity.fr
> > VRFY [EMAIL PROTECTED]
> > 502 unimplemented (#5.5.1)
> >
> > I guess the problem comes from the host being
> > masqueraded, but I can't find out what to do
> to
> > get it right.
> >
> > Thanks,
> >
> > Sebastien Monassa
> >
> >
>
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