Email marketing can boost awareness and sales for your startup. Here's how to create a strategy that works — and avoid costly mistakes. Not all email addresses are worth adding to your list.

If you have a small email list or are just starting out with email marketing, free email verification tools allow you to filter out misspelled, invalid, and fake addresses before hitting send.

If you’re ready to up your email marketing strategy and get a grip on email marketing metrics, my roundup of the best software will help you on your way. I have tested 13 of the best email ...