Then the text. Generally, you can add some words like greetings, but not too much. Paste the article (note: generally paste your own article directly into the text, and don't send it as an attachment without special requirements. There is also a need to focus on simplicity, and don't engage in writing paper or illustrations.
Finally, leave your contact information at the end, usually in this mode:
Real name: pen name:
Address:
Postal code:
E-mail:
QQ:
(The more detailed, the better)
This way, the editor can easily find a way to contact you in the vast sea of people!