How to check, why autoresponder doesn't work? Problem is that it's not working for one account only. For all others everything seems to be fine. Michael
1) Make sure that you dont have an alias or forward for the same email address as the email will then never gets delivered to the mailbox. The forward is a mailfilter recipe which you can find in the maildir of the user e.g. in /var/vmail/domain.com/user/