Appending signature to size limited message

Within a messaging device that automatically appends a signature to a size limited message, an electronic storage medium that carries instructions for execution on a processor that:

• receive entry of the message from an input device forming a part of the messaging device;
• receive a command instructing the messaging device to append a signature to the message;
• determine how much space is available in the message;
• select a signature, from a plurality of possible signatures having varying size, that will fit within the available space;
• and
• append the selected signature to the message.

A messaging device that automatically appends a signature to a size limited message, comprising:

• an input circuit that receives entry of a message;
• a processor that, upon receipt of a command from the input circuit instructing the messaging device to append a signature to the message executes a program to:
• determine how much space is available in the message;
• select a signature, from a plurality of possible signatures having varying size, that will fit within the available space;
• and
• append the selected signature to the message.