Webmail Client: Usage and Plugin Overview

Main Functions
Our Joker.com webmail client is based on Roundcube Webmail, below you will find the original documentation and how-tos:
User Guide in English
User Guide in German
Important: to access your newly created mailbox, you have to set a password for it using the mailbox configurator at Joker.com. The instructions can be found here.
Plugin Overview
Responses
Allows to save pre-written frequently used responses.
Mailbox Quota
A quick overview of free and used space according to your subscription plan.
Password
Allows you to change the password for your mailbox and add an alternative email address. An alternative email address is essential for recovering access to your mailbox. To ensure you can always regain access quickly and securely, we highly recommend providing one if possible.
User info
Overview of user information including the allocated space for your mail according to your subscription plan.
Out-of-Office 
(Vacation)
Allows to activate an auto-responder to inform senders about you being absent.
Forwarding
Allows to send a copy or redirect the incoming emails to desired address. Can be enabled and disabled anytime.
Spamfilter
Our email systems always scan for spam content and flag emails if any is detected. To make use of this flagging, you can enable the filtering here.
Filters
Allows creating filters, managing rules and sorting incoming emails using Sieve.
CardDAV
This plugin allows you to keep your contact list up-to-date and synchronized across your mailboxes. Please find more information on GitHub.
Mailclient
Provisioning
Provides automatic configuration files and manual settings for using your Joker mail across different webmail clients like Thunderbird etc:
 
Username and password:
same as your login at https://web.joker.email.
 
IMAP: imap.joker.email 
Port: 143
Security: 'Password', STARTTLS
 
SMTP: smtp.joker.email
Port: 587
Security: 'Password', STARTTLS
 
Two FA
This feature adds an extra layer of protection by requiring a six-digit security code, in addition to your password, whenever you log in to your mailbox. 
Here are the recommended apps:
Google Authenticator (Android, iOS, Blackberry)
Microsoft Authenticator (Android, IOS)
Layout
preferences
Allows you to choose the desired appearance of your mailbox.