Wouldn’t you like every new subscriber or customer to get a personal note from your CEO, customer support rep or account manager? You can, and should, make this happen. In order to make these messages as effective as possible, here are a few tips for automated personal messages.

Make sure they come from a real person.
Allow people to reply to them.
Read and respond to their replies.
Use plain text.
Trigger them based on behavior (more on that below). https://www.getvero.com/resources/email-marketing-hacks/