What to keep in mind while writing an email?

Nowadays, the amount of received emails is enormous, so you should take very good care of the content sent to your clients. It's important that receivers of your emails or email campaigns don't mark it as spam. Take care of your email database and verify, whether receivers' addresess are correct. Before sending an email or an email campaign, make sure you've got receiver's consent. Remember to maintain the right proportions between pictures and content. If you add too many pictures and not a lot of content, then such emails can get a low scoring, and in the end won't be delivered.