Login to Plesk using <https://help.yourwebhoster.eu/en/support/solutions/articles/80001067313-how-to-login-to-plesk>

Click on the e-mail address where you want to change the password for

first.name@wonderful-maxwell.46-249-37-170.plesk.page

Click generate to create a secure password.

Email address *
@wonderful-maxwell.46-249-37-170.plesk.page
 Can be used to log in to Plesk  (username: first.name@wonderful-maxwell.46-249-37-170.plesk.page)
External email address 
Will be used to reset your password if you lose access to the primary email address.
Password 
Will be used for accessing the mailbox and for logging in to Plesk (if the corresponding option is enabled).
Generate Show
Confirm password 
 Mailbox 
 Default size (100 MB)
 Another size  
KB
MB
GB
TB


The mailbox size cannot exceed the default size.
The maximum number of outgoing email messages
Default (1000 messages per hour) 
Custom value for the mailbox
 messages Unlimited 
Description in Plesk 
The description is visible to everyone who has access to this email account.

Or enter a password and confirm the password

Click Show in case you want to view the password. Useful when you have generated a password.

general-generalSection-password-show-button

Click "OK" to save the password. Remember: change the passwords on all the devices using this e-mail address. This includes your computer, phone, tablet/iPad and any other device you use with this e-mail address. Otherwise, you may get temporarily locked out of the server.

Change password of e-mail account in Plesk