When you're ready to schedule your email and you're sending to less than 10,000 contacts, you can send it to everyone on your list, or you can filter out a portion of your audience using tags. After choosing the lists you want to send to, you have the option of sending your email only to the tagged contacts or excluding the tagged contacts from receiving your email:
When your contacts are organized into defined segments, it's easier to create targeted email content that appeals to them. A contact list is a very basic form of segmentation, where contacts are grouped together for a specific reason, and tags let you build upon it. Think of tags as simple labels you can apply to contacts across different lists without having to move the contacts off the lists they're currently on.
For example, a restaurant has a list of customers interested in monthly specials, and some of those contacts are vegetarian. Instead of moving the contacts to a new list for vegetarians, the contacts are tagged as vegetarians. Then, no matter what list they are a part of, they're still identified as vegetarians. Now the restaurant can send emails to the known vegetarians by selecting the monthly specials list and sending only to the contacts that are tagged as vegetarians, or they can send an email that is targeted to meat eaters and exclude it from being sent to the contacts tagged as vegetarians. When the restaurant later starts using a food truck and then creates a new list for their weekly food truck menu, the same tags can be used to get the right food truck menu content in front of the right contacts.



After you send your email, give your contacts a little time to open it, and then check your reporting on the Email Details page.
If you have are sending to 10,000+ contacts, the tag feature isn't available when you schedule your email, but you can segment your contacts by tag and then send to the segment instead. You still have the same flexibility to include all the contacts with a tag or to exclude them:
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