Try 'sh /script/fixmail-all; sh /script/restart-mail'.
Yes I've done it already, and reboot. Still inaction. Before the upgrade was OK.
There can also send mail to the server. Gmail returns:
Delivery to the following recipient failed permanently:
name@domain.com
Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the server for the recipient domain domain.com by mail.domain.com. [188.xx.xx.xx].
The error that the other server returned was:
553 sorry, your envelope sender has been denied (#5.7.1)