While sending out email campaigns, there are times where you, as an email marketer, just stop and think–why do you follow certain etiquettes for better results? You don't know the answer but you still follow them because it's been practised and accepted by email marketers across the world.

The major best practices you follow will definitely include adding relevant subject line. You also use responsive email templates with a tint of personalization to test and preview before sending it out. And most importantly, you include the unsubscribe link.