and try to use clean HTML code while always including a text/plain version.
First/Last name or any easily recognizable variation is always a good choice. This can be quickly checked using this link.
This primarily means that your IP address must not be in any public DNSBL. Make sure to always send emails from a reputable IP address.Here are some of common practices that you can follow to avoid your emails being regarded/marked as spam on the recipient’s side: