Issue::

Fatal! Write Failure: /etc/valiases/yourdomain.tld. Ignore any messages of success this can only result in failure!


Fix::

First, verify that your domain exists (as a file) in /etc/valiases, and that it has “username:mail” permissions.

# touch /etc/valiases/yourdomain.tld
# chown username:mail /etc/valiases/yourdomain.tld