Dennis Davis wrote: >>> This does at least show a very particular set of
>>> circumstances: Exim has sent off a bunch of RCPT
>>> commands and DATA in a pipelined connection; all
>>> the recipients have been rejected, so DATA is also
>>> rejected.
>>
>> FWIW, there is just one recipient in tne mail,
>> but the mail1.debitel.com mail server (an Exim 4.34, btw)
>> has a very long multiline reject message (23 lines).
>
> Then upgrading may well solve your problem. For example the
> Changelog for exim-4.44 includes:
Upgrading to Exim 4.60 seems to have indeed solved the problem.
