Problem with Postfix and autorespose

[kysiek]

I installed Autoresponse
http://www.howtoforge.com/how-to-set-up-a-postfix-autoresponder-with-autoresponse

when i send mail 'user+autoresponse@domain.com' server return
"User user+autoresponse@domain.com unknown in local recipient table"

Anybody help me?

[kysiek]

I solved problem:)
in main.cf add line:
recipient_delimiter = +