You might need to prevent your large e-mail messages from splitting, and being delivered in smaller, confusing pieces.
Simple Mail Transfer Protocol (SMTP) can be configured to split large messages into smaller pieces. However, many mail clients cannot reassemble the pieces, resulting in unreadable messages. If you find that your recipients cannot read large messages because they are broken into several pieces, you might want to disable the SMTP splitting function.
To disable SMTP e-mail splitting, follow these steps: