My server does not send any more emails. For example the prestashop test email is not received. I do not really understand.
Do you have an idea ?
below the last 50 line of the mainlog exim:
2018-03-30 03:59:07 cwd=/var/spool/exim 7 args: /usr/sbin/exim -t -oem -oi -f <> -E...