When setting up an email client you'll need to enter the following settings:
Email Address: your postmaster email address (e.g. example@postmaster.co.uk)
Password: your postmaster account password
Incoming Settings
Incoming Server: imap.postmaster.co.uk
Username: your postmaster email address (e.g. example@postmaster.co.uk)
Password: your postmaster account password
SSL: yes
Port: 993
Outgoing Settings
Outgoing Server: smtp.postmaster.co.uk
Authentication required: yes
Username: your postmaster email address (e.g. example@postmaster.co.uk)
Password: your postmaster account password
SSL: yes
Port: 465