tail -f /var/log/qmail/qmail-smtpd/current 
@4000000045b9e3c23878a07c tcpserver: status: 4/30
@4000000045b9e3c2387a07dc tcpserver: pid 7784 from 127.0.0.1
@4000000045b9e3c23884393c tcpserver: ok 7784 mail.agrofertil.com.py:127.0.0.1:125 localhost:127.0.0.1::34735
@4000000045b9e3c30c94738c tcpserver: status: 5/30
@4000000045b9e3c30c96501c tcpserver: pid 7785 from 127.0.0.1
@4000000045b9e3c30c9f4514 tcpserver: ok 7785 mail.agrofertil.com.py:127.0.0.1:125 localhost:127.0.0.1::34736
@4000000045b9e3c635a1ca2c tcpserver: end 7785 status 0
@4000000045b9e3c635a1d1fc tcpserver: status: 4/30
@4000000045b9e3ca28e11874 tcpserver: end 7784 status 0
@4000000045b9e3ca28e12044 tcpserver: status: 3/30