add the regex to spamassassin
I have alreday added in this way cat /etc/mail/spamassassin/SPAM_19Sep2016_Message_ID_1.cf header SPAM19SepMID1 Message-ID =~ /(fanex-us\.local)\b/i describe SPAM19SepMID1 Message-ID header matches the above pattern score SPAM19SepMID1 5 -- cat /etc/motd Thank you Indunil Jayasooriya http://www.theravadanet.net/ http://www.siyabas.lk/sinhala_how_to_install.html - Download Sinhala Fonts