How to change webmail for a subscription?
Before changing webmail make sure additional webmail component in installed and enabled in Home > Tools & Settings > Webmail. If it is not, install it in Tools & Settings > Updates & Upgrades.
To change webmail to another one, follow instructions:
Go to Home > Subscriptions > example.com > Mail Settings.
- Find the Webmail parameter and select the webmail from the list.
Use the following article to change webmail for all domains at once in Plesk for Windows:
How to switch all domains webmails to MailEnable WebMail or Horde using command line
Warning: When switching from Horde to MailEnable Webmail, Contacts are going to be lost, because they are stored in different formats. In Horde contacts are stored in Horde's database, and MailEnable Webmail stores contacts in the
%plesk_dir%\Mail Servers\Mail Enable\Postoffices\example.com\MAILROOT\johndoe\Contacts. So if it is required to transfer contacts, transfer them manually through the MailEnable Webmail client interface.