This document provides tips and best practices for writing effective emails to get past spam filters and gatekeepers and get in front of decision makers. It discusses writing compelling subject lines and email bodies to get emails opened and read rather than deleted. It provides suggestions for personalizing emails, including using contact fields from DiscoverOrg to target messages. The document cautions against things like overly promotional language and attachments that could trigger spam filters. Overall, the key takeaways are focusing the email on the recipient and making it easy for them to take the desired next step such as scheduling a call.