After upgrading to Parallels Plesk Panel 11.5, the correct password is not shown in the e-mail notices sent when you create a customer account. It is displayed as
For security reasons, Plesk Panel no longer sends passwords in plain text.
To let your users change their passwords, you can insert the following links in message templates in Tools & Settings > Notifications:
for a customer:
for a reseller:
For a complete list of supported parameters, refer to this article.