Autor: Juha Saarinen Data: A: Dave C. CC: Tamas TEVESZ, exim-users@exim.org Assumpte: Re: [Exim] SMTP synchronization error?
On Fri, 31 May 2002, Dave C. wrote:
>
> On Fri, 31 May 2002, Tamas TEVESZ wrote:
>
> > On Fri, 31 May 2002, Juha Saarinen wrote:
> >
> > > 2002-05-31 19:59:07 SMTP synchronization error (next input sent too soon):
> > > rejected "HELO gmx.net" H=ts46-01-qdr2264.mdfrd.or.charter.com
> > > [66.169.232.216]
> > >
> > > Wot dat?
> >
> > probably related to pipelining ? no further ideas, though.
>
> Pipelining does require sync at certin points. Proper SMTP-sender
> implementations of pipelining dont have this problem. Spamware often
> sends entire SMTP sessions in one chunk, entirely ignoring the RFC.
>
> Most likely, this was an instance of such spamware, and exim rejected
> it.
Yeah... that HELO looks bogus, doesn't it? The IP block in question
belongs to charter.com, of St Louis, Missouri, but gmx.net is in Bavaria,
Germany...
