This site is being provided by The Communication Gateway Ltd https://comgw.uk You may use the basic service (send a secure message) free of charge and without registering.
The free service allows you to send up to 100 characters in a message. Each message will remain active for up to 7 days, then it will be deleted whether it has been read or not. Once the message has been read it will be deleted, i.e. only one read of a message is allowed.
Registration is free, once you have registered you can send messages of up to 250 characters in a message. Each message can be set to remain active for up to 90 days. Each message can be set (when sending) to be read between 1 and 10 times before it is deleted.
The pro account is charged at £9.95 per month and allows you to have up to 1024 characters in a message. Each message can be set to active for up to 365 days. Each message can be set (when sending) to be read between 1 and 100 times. The pro account also allows you to customise the URL rather than a random URL being generated for you.