Invoice showing font bunched up or jumbled V8
Introduction
Is your invoice showing as below when you email it to a customer?

Solution
Commonly this is due to the receiver of the invoice using “Mimecast” to scan their email attachments. This is scanning the emails and squishing the fonts. If the receiver marks the sender as a "Safe Sender", they may be able to avoid this issue.
Below is information from the mimecast website:
