This is Frank. You can leave me a message, but I must warn you I get annoyed with messages that are hard to read.

This is Frank. You can leave me a message, but I must warn you
I get annoyed with messages that are hard to read. So please
use your shift key appropriately, avoid overdoing punctuation,
and spell-check your message, or I might ignore it.
-- Answering machine madness - befuddle the caller