Just like your email inbox has a spam filter, carriers are filtering certain text messages from being delivered that appear to be spam.
There are certain words you should refrain from using in your initial messages, as well as certain words you should include.
Words you should include:
Your company name
Phrases you should not include:
Did I reach the right person
Do I have the right person
Do you happen to know
Do you know anyone
Out of the blue
Shot in the dark
When composing your "conversation starters" feel free to use variations DealMachine has provided within SMS Marketing, and if you compose your own conversation starters, make sure to keep these blocked words out of your saved replies.