Hello there:
I'm using Parallels Plesk Panel v11.5.30_build115130819.13 os_CentOS 6 (6.6) on GenuineIntel, Intel(R) Xeon(R) CPU E3-1270 V2 @ 3.50GHz
My server works with the Postfix mail server and I need to identify who sent a forged message within the /usr/local/psa/var/log/maillog file...