For Print Receivables Transactions-Email Delivery can we have email body length more than 4000 char

Currently we are trying to customize the email body using HTML code which will be deliveried to customer, But we encountered a issue that email body section length cannot exeeds more than 4000 Char size limit, is there a way to increase the size of email body section.

Navigation as follows:

1. Go to SetUp and Maintenance.
2. Select Financials under Global Search.
3. Search for and select Manage Receivables System Options.
4. Search and choose the Business Unit from the dropdown, selecting <any specific BU>.
5. Update the email body under the Transaction Delivery Using Email section.