Re: [exim] What causes duplicate emails?

Graeme Fowler wrote:
> On Thu, 2007-07-12 at 14:18 -0700, Marc Perkel wrote:
>
>> As you migh have noticed my last message hit the list twice. It
>> something that's happening somewhat randomly. Anyone know what might
>> cause this?
>>
>
> Look at your logs on darwin.ctyme.com. It submitted the message to the
> list server twice:
>
> Received: from smtp8.junkemailfilter.com ([69.50.231.8]:33800
> helo=darwin.ctyme.com) by sesame.csx.cam.ac.uk with esmtp (Exim 4.54) id
> 1I95z8-00040Z-B5 for exim-users@???; Thu, 12 Jul 2007 22:14:04
> +0100
>
> Received: from smtp8.junkemailfilter.com ([69.50.231.8]:46696
> helo=darwin.ctyme.com) by sesame.csx.cam.ac.uk with esmtp (Exim 4.54) id
> 1I95wM-0003g4-4S for exim-users@???; Thu, 12 Jul 2007 22:11:45
> +0100
>
> Interesting that you mention bsmtp in your post - if that fails when the
> sending end thinks the message is not complete, but the receiving end
> thinks it is, you can get duplication. You shouldn't, but you can. You
> should always autoflush buffers if you're wrapping the pipe in a script.
>
> Graeme
>
>
>

The email was submitted with Thunderbird. I wonder if the problem is
thunderbird related. The bsmtp question is unrelated. I'm using that to
do automated virus reports.