Today i saw these warnings within the mail.log: warning: /etc/postfix/virtusertable.db: duplicate entry May 27 18:46:21 hostname postfix/postmap[5245]: warning: /etc/postfix/virtusertable.db: duplicate entry: "[email protected]" May 27 18:46:21 hostname postfix/postmap[5245]: warning: /etc/postfix/virtusertable.db: duplicate entry: "[email protected]" May 27 18:46:21 hostname postfix/postmap[5245]: warning: /etc/postfix/virtusertable.db: duplicate entry: "[email protected]" How can i solve this?