Some of those unread messages sitting in the consumer's inbox are just taking up space before being handed their final fate, which is either a trip to the virtual trashcan or spam folder. Disengaged subscribers are clicking away to delete and quarantine unappealing messages sent by the same marketers they opted-in with because they look like spam on the surface. You could suffer the same fate if your subject lines scream spam.
There are three simple things you can do prevent your message from looking like another piece of worthless junkmail:
Beware of Word Triggers - There are certain words and phrases that should be left out of your subject line. Because they have been associated with spam, using them could prevent your message from ever reaching its final destination. "Free," "Click Here," "Guarantee," "Subscribe," and "Order Now" are just a few of many that could cause trouble for your
email campaigns.