Kia ora,
When writing an Email make sure you add a subject so the readers know what they are going to read, when the reader reads your email they might want you to make them feel welcome do make sure you always add a positive greeting.
When you write an email keep to the subject or else the reader might get bored and just go check their other emails so make sure you keep to the subject, While writing make sure to add somethings that are positive and helpful to make sure the reader wants to keep reading, When you’re finished writing your email make sure you proofread it for any mistakes and sign off so they know its the end of the email.