mmm, I found this thread too :
http://www.exim.org/mail-archives/exim-users/Week-of-Mon-20030407/msg00049.html
Exactly the same "problem", and this explanation seems good :
http://www.exim.org/mail-archives/exim-users/Week-of-Mon-20030407/msg00054.html
>> Well, just a wild guess, but is it possible, that SOMEONE SOMEHOW
>> managed to start exim via your apache, exim didn't close the filehandle
>> from apache and so the socket was still open? This could explain the
>> blocking telnet process.
All mails whas sent from Apache, by PHP. So... I suppose the problem is
here.
Now I set up exim in "queue_only", so the "sendmail" used by PHP will
immediatly stop,
without trying to send this email.
Thanks.
Olivier