求用英文发送email的格式

我一般是这样的
Dear XX/Hi XX (前面的略严肃，后面的就轻松点啦)
正文
Sincerely/Faithfully(前面的致你知道ta姓名的人，后面则是对你不知道姓名的人，比如madam啊sir啊之类的)
署名

如果是较官方的写法还要加很多东西

速求一篇电子邮件英语作文？内容要求：假设你是销售经理。给总经理写一封电子邮件

Dear Sir,

I will be on overseas business trip . I will be back in the office after a week ,This company for three weeks, the product is very popular
,There are five companies signing up with our sales contract
.Our product in the USA will have a good market prospects
.The hope that we provide more services
.Thank you and have a nice day.

英语写作,写一封电子邮件,内容是圣诞将至，邀请朋友Peter来共度节日,向他介绍你所在的城市

dear Peter：
as chriatmas is just around the corner, i was wondering if i can have the pleasure to have you join us in the celebration party. the city i am living in is in a joyful atomosphere of christmas. walking i the street, you can see that almost every shops and houses are taking on a holiday look. the city is quite clear and happy. we have many places of interset here in our city. also people iin our city are always friendly and kind. if you should come to join us in the christmas holiday, we will are be more than delighted.
i'm looking forward to your reply.
best wishes!
yours: lily