Important Information About Automatically Forwarded Emails

When an email is sent by MessageSender, it will add a special code to the Subject that's called an MID (Message Identifier).

MIDs are unique codes that are used by MessageSender to track emails.  They are not only unique in your system, but also unique amongst every PhonePad site in the world.

It is essential that, when replying to received emails, that the user doesn't alter or remove this code.  They can alter the rest of the Subject line but not the MID code.  Otherwise, email replies, Read Receipts and Message Delivery Failures won't get sent back to PhonePad.

Here's an example of what we're talking about.