MSH Autoresponder is a Postfix and Sendmail milter plugin that allows you to create auto responses on the basis of configurable criteria. Using administration app you’ll create common auto response messages, vacation e-mails, marketing or support auto-replies and many more.
Application provide conditions, exceptions, loop protection, time limits and path decision for each created auto-response rule. All this you’ll achieve by using app with simple and intuitive user interface.
A short list of application features:
– Define the Body and Message subject – use $SUBJECT variable to insert original message subject
– Recipient Condition – match recipient address and choose in which fields (TO, CC, BCC or all of them) search
– Sender Condition – match sender address, like recipient condition also support asterisk (*) wildcard to match zero or more characters
– Headers Condition – match any of MIME header
– LDAP Support – insert variables into auto-response body
– Time Range – period in which auto response will be send
– Loop Protection – protect against loops between servers
– Remote and multiple servers administration from a single application
See more here http://www.mshsoftware.com?ptr=1025