Create postmaster filters to look for the mail headers...
x-auto-response-suppress
x-autorespond
precedence or x-precedence with value "auto_reply", "bulk" or "junk"
auto-submitted with value "auto-replied"
From...
http://stackoverflow.com/questions/1027395/detecting-outlook-autoreply-out-of-off
Hi All,
OTRS notification system sending customer notification and customer also
replying email ticket update is fine. Customer some time set as auto reply like
I am out office like some other auto reply . this type auto reply how stop
anybody let know
Postmaster filter option I set subject