Error: "An invalid character was found in the email header" when sending to multiple email addresses

• Cannot email multiple email address separated by semicolon ;
• Cannot use semi-colon to separate multiple email address
• Error Sending Email: An invalid character was found in the mail header ';'

Follow these steps to resolve:

1. Close BusinessVision program
2. Open C:\BusinessVision folder, rename Sage.BusinessVision.SMTPClient.dll to Sage.BusinessVision.SMTPClientOLD.dll
3. Download Send to multiple email addresses fix and unzip it. You will see Sage.BusinessVision.SMTPClient.dll file. Copy this file to C:\BusinessVision folder
4. Test email to confirm that issue is resolved.