- username and password variable names have been prepended with erp_ to avoid problems with reauthentication
- ERP_output_config_option will now return an error when username or password variable names are used
- Fixed charset conversion not working as it should for the "From" and "Subject" part of emails
- Increased mbstring supported charsets by adding all aliases using mb_encoding_aliases
- mail_encoding configuration option has been deleted as it was no longer necessary and could only cause miss configurations
- Added a warning that EmailReporting could have problems if the mbstring extension is not available