Re: The connection was dropped due to an SMTP protocol event sink
From: SteveG (SteveG_at_discussions.microsoft.com)
Date: 02/18/05
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Date: Fri, 18 Feb 2005 12:45:02 -0800
I have found out that it was actually my firewall. It was not handling a Bdat
error correctly. I have modified the configuration of the firewall and it
seems to be working at the moment.
"Toni C." wrote:
> Hi Steve,
> I have GFI as third party software...
> I've seen a similar problem here
> http://groups-beta.google.com/group/microsoft.public.exchange.connectivity/browse_thread/thread/c978fb6f3ebf2ab5/e3321885030462da?q=%22The+connection+was+dropped+due+to+an+SMTP+protocol+event+sink%22+GFI&_done=%2Fgroups%3Fq%3D%22The+connection+was+dropped+due+to+an+SMTP+protocol+event+sink%22+GFI%26hl%3Den%26lr%3D%26sa%3DN%26tab%3Dwg%26&_doneTitle=Back+to+Search&&d#e3321885030462da
>
> I'll try this solution in this group..
>
> Toni
>
>
> "SteveG" <SteveG@discussions.microsoft.com> wrote in message
> news:0C709E69-3E02-46C2-979D-41737F4B5797@microsoft.com...
> >I have a similar problem but have determined that it is only when the
> >primary
> > mail server for the doamian that I am trying to send to is unavailable
> > that I
> > have this problem. If I setup a dns zone locally for the domain and setup
> > the secondary mail server as the primary mx record it goes through fine.
> >
> > I have yet to find a solution
> >
> > I am on Exchange 2003 sp1 on windows server 2003. I suspect it may be a
> > third party piece of software. Installed third party software includes
> > Symantec Mail security for exchange 4.5, Symantec AV corporate ver 9,
> > Exclaimer ver 2.22, I Hate Spam ver 1.5.205.
> >
> > Please post if you have any similar software or if you find a solution
> > elsewhere.
> >
> > "Toni C." wrote:
> >
> >> Hi everybody,
> >> I have this problem from one week, I cant send some emails to some
> >> domains
> >> (2 or 3) in Exchange System Manager (MS Exchange 2003) I have the
> >> following
> >> text "The connection was dropped due to an SMTP protocol event sink" or
> >> "the
> >> remote server did not respond to a connection attempt"
> >> I've tested the DNS (but it was OK), I can send e-mails to other
> >> domains...
> >> everything was OK, but from some days I cannot sleep thinking about this
> >> problem (I've even searched in google.com and try to repair every
> >> details,
> >> but without any good effect)
> >>
> >> Can someone help me or has some issues? (maybe there are a patch or other
> >> issues)
> >>
> >> thanks,
> >> Toni.
> >>
> >>
> >>
>
>
>
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