This is a recommended upgrade for users of v6.17.
We have just released VPOP3 v6.18 which you can download from http://www.pscs.co.uk/downloads/vpop3.php.
This is a free upgrade for all users who have active software maintenance or priority support on 14th March 2016. Other users can purchase the upgrade and 1 year of software maintenance on our website.
The full change log can be viewed in our issue tracker.
Main Changes in v6.18
- Fix: SMTP Rules were broken in v6.17. You should upgrade to v6.18 to resolve this issue.