I hate that phrase. Every time I see it, my first instinct is to add the sender to my spam blocker.
Email is a two-way form of communication. Like a conversation, where everyone can talk as long as they like. But when your email includes that phrase, you’re essentially blocking out my side of the conversation.
In essense, you’re filibustering the conversation. You’re bullying me into hearing what you have to say, while demonstrating no intent to hear what I have to say in return.
Yes, email can be a very good delivery-system for announcements, special offers, etc. But if you’re going to send the email, you need to have a valid return address and someone there who will read and reply to any responses. That little different will win you lifelong supporters, customers, etc.

