Re: [exim-dev] Cutthrough routing: data loss on client side …

On 2016-01-22 10:01, Heiko Schlittermann wrote:
> Daryl Richards <daryl@???> (Do 21 Jan 2016 16:55:24 CET):
>> On 2016-01-19 8:16 AM, Heiko Schlittermann wrote:
>> >Hello,
>> >
>> >we've some finding about cutthrough routing…
>> >It seems we loose parts of the messages.
>> >
>> >[details deleted]
>> I'm sorry I'm not in a position to break it down as well as this, but
>> I
>> thought a 'me too' might be helpful to indicate it's not isolated.
>>
>> In my case, the cutthrough delivery is going to an Exchange server,
>> and I
>> don't see the SSL errors, it's just that attachments seem to be not
>> delivered through. I've been trying to figure out why and when I saw
>> your
>> message I disabled cutthrough delivery for that domain, and
>> attachments are
>> being delivered again... Odd.. If there's something I can test let me
>> know.
>
> Try to send the attached file as the body of a message. Yes, it
> contains
> a dot on the very first line.
>
> If it fails in about 80% of the transmissions, you're victom of the
> same
> issue, probably.

I've put the patch in place already, and this sent through fine. I'm
still waiting for the affected client to send through a new mail with an
attachment. Since it failed for them 100% of the time, I will know right
away.