On Wed, Oct 21, 2009 at 12:56:47PM +0200, tower wrote: > Hi
>
> How can I debug connection problem between my exim server and some
> machine (scaner, printer, fax) which have mail client on board? I must
> do it safely because i have about 5000 clients working online on that
> server. Would be fine if i could start a separate exim process.
>
> Logs tell nothing, so i must use some tool.
you could try using a packet-sniffer like tcpdump or wireshark
to read the SMTP handshake.
